Are barteries are needed? Or are rechargeables ones provided.

The rechargeable battery is installed in the device. You do not need to buy other battery, you only need to connect it to USB port to charge it.

can the beeper be turned off?

Both the clicker for incoming detections and the beeper for threshold/safety exceeded can be turned off. If you do that though, best watch the display closely, as the 3.5 mm socket on the side of it is an analogue data port, not a headphone socket.

How is the time and date set? The 4 front buttons don't appear to access that function??

You can set the date and time from Main menu->Init setup->Date Time menu.

How often it has to be calibrated (by third party specialist) to maintain accuracy?

Digital meters usually do not require further calibration once they leave the factory. The accuracy remains the same unless you physically change something in the settings.

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GQ GMC300Eplus Fulfill Digital Geiger Counter NULCEAR Radiation Detector Monitor Meter Dosimeter Beta Gamma X-ray Datalogger Recorder Real-time monitoring, private home use All purpose, wall charger

GQ GMC300Eplus Fulfill Digital Geiger Counter NULCEAR Radiation Detector Monitor Meter Dosimeter Beta Gamma X-ray Datalogger Recorder Real-time monitoring, private home use All purpose, wall charger

Product ID: 49583813

💻USB data & charging interface

📊Real-time radiation graphing

🔋Rechargeable Lithium-Ion battery

178180CFA

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Description

⚡ Stay ahead of invisible threats with real-time radiation insight!

PORTABLE POWERHOUSE - Lightweight 170g design powered by included rechargeable Lithium-Ion battery keeps you ready anywhere.
SEAMLESS CONNECTIVITY - USB connection for charging and exporting data to PC with dedicated GQ software—track and analyze like a pro.
DATA AT YOUR FINGERTIPS - Big font and text mode display CPM, date, time, and multiple radiation units for effortless monitoring.
ALL PURPOSE SAFETY MONITOR - Detects Beta, Gamma, and X-ray radiation with precision—perfect for private home use or professional environments.
VISUALIZE RADIATION INSTANTLY - Point matrix LCD with real-time graphics mode makes radiation changes crystal clear.

The GQ GMC300Eplus is a compact, rechargeable digital Geiger counter featuring a point matrix LCD for real-time radiation visualization. It supports Beta, Gamma, and X-ray detection, offers USB connectivity for data logging and charging, and includes user-friendly software for detailed analysis. Lightweight and designed for private or professional use, it ensures you never miss a radiation spike.

Specifications

ASIN	B00IN8TJYY
Batteries	1 Lithium Ion batteries required. (included)
Batteries Required?	Yes
Batteries included?	Yes
Best Sellers Rank	259,352 in DIY & Tools ( See Top 100 in DIY & Tools ) 591 in Multi Testers
Colour	White
Customer Reviews	4.6 4.6 out of 5 stars (554)
Date First Available	18 Feb. 2014
Guaranteed software updates until	unknown
Included components	Digital Nuclear Radiation Detector Monitor Meter
Item Package Quantity	1
Item Weight	170 g
Item model number	GQ 300 E Plus
Light source	led
Manufacturer	GQ Electronics LLC
Part number	GQ 300 E Plus
Product Dimensions	12.7 x 7.11 x 2.54 cm; 170.1 g
Size	5
Voltage	5 Volts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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178180CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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