---
product_id: 695264594
title: "Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS"
brand: "ulla"
price: "41535CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Ulla"
url: https://www.desertcart.sn/products/695264594-drink-water-reminder-smart-light-for-water-bottle-fits-most
store_origin: SN
region: Senegal
---

# 6-month battery life Universal cactus design Smart hydration sensor Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS

**Brand:** ulla
**Price:** 41535CFA
**Availability:** ✅ In Stock

## Summary

> 🌟 Stay sharp, stay hydrated — don’t be a cactus!

## Quick Answers

- **What is this?** Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS by ulla
- **How much does it cost?** 41535CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/695264594-drink-water-reminder-smart-light-for-water-bottle-fits-most)

## Best For

- ulla enthusiasts

## Why This Product

- Trusted ulla brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Power:** Pre-installed CR2032 battery lasts 6 months, keeping you hydrated without interruptions.
- • **Fits All Your Favorites:** Silicone band adapts to any bottle, glass, or mug—your hydration, your style.
- • **Effortless Hydration Boost:** Transforms any bottle into a smart hydration coach—no app or charging needed.
- • **Office & Lifestyle Friendly:** Quiet, non-disruptive light reminder perfect for work, home, or on-the-go hydration.
- • **Navy-Grade Attention Grabber:** US Navy blinking tech ensures you never miss your hydration cue, subtly and silently.

## Overview

ULLA is a smart hydration reminder that clips onto any bottle or glass, using US Navy-developed blinking technology to prompt hourly water intake. With a 6-month battery life and no app or charging required, it discreetly boosts hydration habits for over 500,000 users worldwide, improving energy, focus, and overall wellness.

## Description

ULLA water reminder is a smart device that helps people live a healthier life. We all now drink more water, throughout our entire day (and feel better for it). Headaches, fatigue, obesity and weak immune systems were just some of the issues we wanted to address when we began working to create something new – a unique product that would respond to real health and lifestyle concerns that affect everyone. Trusted by over 500.000 people worldwide. ULLA water reminder is a smart device that helps people live a healthier life. We all now drink more water, throughout our entire day (and feel better for it). Headaches, fatigue, obesity and weak immune systems were just some of the issues we wanted to address when we began working to create something new – a unique product that would respond to real health and lifestyle concerns that affect everyone. Trusted by over 500.000 people worldwide. Ulla WATER REMINDER Visit the Store Ulla WATER REMINDER Visit the Store Ulla DRINK WATER REMINDER Visit the Store Ulla DRINK WATER REMINDER How does ULLA work? 1. Attach Ulla to any bottle, glass or cup. 2. Ulla tracks your hydration habits. 3. It starts blinking when it's time to drink. Why is ULLA the perfect gift? Optimal hydration helps with improving productivity, focus, brain functions, rising energy levels, and overall health. Gifting Ulla thus conveys the perfect message: “I want you to stay healthy.” What are the key features? Drinking detection, optimal hydration cycle, fits on any bottle or glass, has visual alert (without extra sound), and does not need any charging. How does ULLA work? 1. Attach Ulla to any bottle, glass or cup. 2. Ulla tracks your hydration habits. 3. It starts blinking when it's time to drink. Why is ULLA the perfect gift? Optimal hydration helps with improving productivity, focus, brain functions, rising energy levels, and overall health. Gifting Ulla thus conveys the perfect message “I want you to stay healthy.” What are the key features? Drinking detection, optimal hydration cycle, fits on any bottle or glass, has visual alert (without extra sound), and does not need any charging. ULLA smart WATER REMINDER It's fully automated, incredibly simple to use, doesn’t need other devices to work, and most important of all it gets the job done. ULLA smart WATER REMINDER It's fully automated, incredibly simple to use, doesn’t need other devices to work, and most important of all it gets the job done.

Review: No more daily dehydration headaches! - THIS THING IS AMAZING. I've had it 1 month now and not had a single dehydration headache!! MY BACKSTORY: I carry a water bottle everywhere and would sit with one on my desk at work daily, but I rarely would drink out of it. I simply carried it because I would suddenly feel thirsty if I didn't have it. I get a headache around 2-3pm daily like clockwork. I suspected it was dehydration since the rare occasion that I did manage to drink enough, I didn't get a headache, but I couldn't keep up with it. I tried various tracking systems, including the ones with the time printed on it to pace myself. None of it worked because I physically needed a reminder. I thought about setting a timer, but that would be cumbersome, disruptive, and not dynamic enough to shift with daily life. I found this reminder and was hesitant to pay $25. But, it was a lot cheaper than "smart" water bottles and I knew taking Motrin and/or Tylenol daily was not healthy. The cost was worth it after feeling this headache-free relief!! SIZE: It has a silicone band that fits well on my water bottle, which is about 3 inches in diameter. It definitely has enough stretch to fit on a 1L Nalgene, for example. The device itself is about 1.5" tall, 1" wide, and 3/8" thick. HOW IT WORKS: I timed it when I first got it to see how the cycling works. Every ~35 minutes it strobes for ~5 seconds, then is off for ~5 seconds, alternating that cycle for about a minute before it resets the 35 second clock. I usually grab it within those first 5 seconds, but if you're not around and it does 2 full cycles of 35 min/1 min flashing, it turns off until you drink again. It also resets the clock every time you drink and has a light that blinks whenever it registers you taking a drink. It's gotten to the point that my body has internalized the clock a bit; on many occasions it started strobing as I was reaching for a drink on my own! MY CONCERNS DIDN'T END UP BEING ISSUES: - I thought the "just drank" light would get set off a lot carrying my water bottle around, but that hasn't been an issue. - It also has a light sensor, because it doesn't go off in the dark. I can keep it on my nightstand with no issues - My water bottle has a straw, so every once in a while my sip is a little too still for it to register, but that's been only maybe 5 times in the last month. - It's also perfect everyday use outside of the office - I don't have to deal with alarms and it dynamically updates as I drink. - I keep it on all the time, and haven't worried about it falling off. I did take it off twice when I want on a day-long outing where I knew I'm going to be drinking a lot on my own and didn't want it to interfere with the frequent in and out of my backpack.
Review: ADHD? Buy two. - My new ADHD med is working, but dehydration is a common side effect, so the water drinking habits that I had previous to the medication didn't cut it. This lil guy is great! I can be at my desk really engaged in work and the notification is just subtle enough that you see it from the corner of your eye without it being overly bright or distracting. It alarms about every 30 minutes, stops alarming (power off) if you don't drink for two cycles, so you can keep it at your bedside and turn it around before you sleep, and then take a drink when you wake up to reactive it. If you want to reset the time, just take a drink. The band that comes with it is durable enough that it should fit most water vessels. The function is so simple that I imagine it would work for any other device where you need a gentle 30 minute reminder.

## Features

- 💧 SMART LIGHT FOR WATER BOTTLE: Ulla is the world's first smart hydration reminder water bottle attachment! It can be seamlessly moved from bottle to bottle and uses smart detection sensors to remind you to drink water at least once per hour.
- 💧 EASY TO USE: Ulla makes drinking water easy. No need to buy a new water bottle - just attach Ulla to turn your existing one into a smart water bottle and get the optimal hydration your body needs. With included silicon band you can mounted it on water bottles of all sizes and materials. It can also be attached to any standard glass or mug.
- 💧 OFFICE FRIENDLY: It does not require any replacement parts or app set up unlike other smart water bottles. It's perfect to use for your home or office water bottle and lights up quietly without disturbing you or others around.
- 💧 HYDRATE HYDRATE HYDRATE: Did you know 75% of people are dehydrated? Don't fall into this norm with the help of Ulla, your new personal hydration coach. This smart light up water bottle can help you drink 3x more water which can result in more energy, less headaches, better skin & metabolism, and an overall healthier lifestyle.
- 💧 U.S. NAVY TECHNOLOGY: Ulla's blinking technology was developed by the US Navy and effectively grabs the user's attention. The light up attachment includes an auto ON/OFF, daylight sensor, proximity sensor, and has a 6 month battery life. Pre-installed CR2032 coin cell battery is already included, but can be replaced after life span.
- 💧 HIGH QUALITY Drink Water Reminder is Trusted by over 500.000 people worldwide. As a result, everyone gets the full benefit of our innovative product. We all now drink more water, throughout our entire day – and feel better for it.
- 💧 CUTE DESIGN: This light features a cute cactus with the words “DON’T BE A CACTUS” written across it and comes in a clean white color that will compliment any silicone water bottle, plastic water bottle or glass water bottle.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #18,909 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #503 in Water Bottle Accessories |
| Brand | Ulla |
| Color | Cactus |
| Customer Reviews | 4.2 out of 5 stars 2,273 Reviews |
| Item Weight | 4.54 g |
| Material | Plastic |
| Number of settings | 1 |
| Smart Home Compatibility | Smart Home Compatible |

## Product Details

- **Brand:** Ulla
- **Color:** Cactus
- **Item Weight:** 0.01 Pounds
- **Material:** Plastic
- **Number of settings:** 1

## Images

![Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS - Image 1](https://m.media-amazon.com/images/I/61g8NGZpoYL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Would this fit a wide mouth HydroFlask?**
A: Yes! It fits my 32 oz wide mouth Hydroflask perfectly. :)

**Q: How do you change the battery?**
A: Simply take off the cap and you will be able to remove the battery and replace it with a new one.

**Q: Will it work if you use a straw on your water bottle? To track your drinking**
A: Yes as long as you move the bottle/pick it up.  It works by motion.

**Q: How long will the light blink to remind you to take a sip?**
A: Hello, the light blinks for 1 minute or until you pick up the bottle.

## Customer Reviews

### ⭐⭐⭐⭐⭐ No more daily dehydration headaches!
*by K***K on May 30, 2022*

THIS THING IS AMAZING. I've had it 1 month now and not had a single dehydration headache!! MY BACKSTORY: I carry a water bottle everywhere and would sit with one on my desk at work daily, but I rarely would drink out of it. I simply carried it because I would suddenly feel thirsty if I didn't have it. I get a headache around 2-3pm daily like clockwork. I suspected it was dehydration since the rare occasion that I did manage to drink enough, I didn't get a headache, but I couldn't keep up with it. I tried various tracking systems, including the ones with the time printed on it to pace myself. None of it worked because I physically needed a reminder. I thought about setting a timer, but that would be cumbersome, disruptive, and not dynamic enough to shift with daily life. I found this reminder and was hesitant to pay $25. But, it was a lot cheaper than "smart" water bottles and I knew taking Motrin and/or Tylenol daily was not healthy. The cost was worth it after feeling this headache-free relief!! SIZE: It has a silicone band that fits well on my water bottle, which is about 3 inches in diameter. It definitely has enough stretch to fit on a 1L Nalgene, for example. The device itself is about 1.5" tall, 1" wide, and 3/8" thick. HOW IT WORKS: I timed it when I first got it to see how the cycling works. Every ~35 minutes it strobes for ~5 seconds, then is off for ~5 seconds, alternating that cycle for about a minute before it resets the 35 second clock. I usually grab it within those first 5 seconds, but if you're not around and it does 2 full cycles of 35 min/1 min flashing, it turns off until you drink again. It also resets the clock every time you drink and has a light that blinks whenever it registers you taking a drink. It's gotten to the point that my body has internalized the clock a bit; on many occasions it started strobing as I was reaching for a drink on my own! MY CONCERNS DIDN'T END UP BEING ISSUES: - I thought the "just drank" light would get set off a lot carrying my water bottle around, but that hasn't been an issue. - It also has a light sensor, because it doesn't go off in the dark. I can keep it on my nightstand with no issues - My water bottle has a straw, so every once in a while my sip is a little too still for it to register, but that's been only maybe 5 times in the last month. - It's also perfect everyday use outside of the office - I don't have to deal with alarms and it dynamically updates as I drink. - I keep it on all the time, and haven't worried about it falling off. I did take it off twice when I want on a day-long outing where I knew I'm going to be drinking a lot on my own and didn't want it to interfere with the frequent in and out of my backpack.

### ⭐⭐⭐⭐⭐ ADHD? Buy two.
*by L***P on May 29, 2025*

My new ADHD med is working, but dehydration is a common side effect, so the water drinking habits that I had previous to the medication didn't cut it. This lil guy is great! I can be at my desk really engaged in work and the notification is just subtle enough that you see it from the corner of your eye without it being overly bright or distracting. It alarms about every 30 minutes, stops alarming (power off) if you don't drink for two cycles, so you can keep it at your bedside and turn it around before you sleep, and then take a drink when you wake up to reactive it. If you want to reset the time, just take a drink. The band that comes with it is durable enough that it should fit most water vessels. The function is so simple that I imagine it would work for any other device where you need a gentle 30 minute reminder.

### ⭐⭐⭐⭐ Works for now, but concerned about durability
*by B***E on May 20, 2025*

This thing 100% has been helping me stay on top of drinking water. The only thing I don't like is that there is no way to stop/pause the flashing - so I can't have it on the bottle in my bed room and there is no way to turn it off when not in use. The fact that it has been going off ever since unboxing makes me worry about battery life and durability. Without the ability to turn it off to ensure longevity, I am not really sure it is worth the price point as I am thinking I may need to replace it sooner than later.

## Frequently Bought Together

- ULLA Drink Water Reminder, Smart Light for Water Bottle, Fits Most Bottles, Lights Up when Time to Drink, Hidrate Smart Water Bottle Reminder to Drink, Smart Hydration Reminder, Water Tracker - CACTUS
- GWaT - Hydration Tracker for Water Bottles, Helps You Drink More

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-10*