Hello, thanks for inquiry. Bitrate will affect the recording file size. The higher the bitrate is, the better image and audio quality will be, and the bigger the file size will be. The lower the bitrate is, the image and audio quality and file size will show the opposite results. The way of calculating the recording file size is shown below: Bitrate (kb/s, Bitrate/8) 3600(seconds, 1hour) 24(hour, 1 day) 30(days) 4(camera numbers) (PS: 1T=1024GB / 1G=1024MB / 1MB=1024KB) Example: 4MP camera, Record 1 day , 1 Channel（normally 4MP Bitrate is 6144kb/s） 6144/8 x 3600 x 24 x 1 x 1 = 63.28G So Reolink 4MP NVR with 2TB Built-in HDD, it can support 4CH 4MP camera recording for 8 days. If you want to save the space, you can lower the bitrate to record a long time.

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Reolink 4K NVR 8CH PoE CCTV Security Camera System, with 2TB HDD and 4X 5MP Motion Detection Outdoor PoE IP Cameras, 100ft Night Vision Remote Access, RLK8-520D4-5MP

Reolink 4K NVR 8CH PoE CCTV Security Camera System, with 2TB HDD and 4X 5MP Motion Detection Outdoor PoE IP Cameras, 100ft Night Vision Remote Access, RLK8-520D4-5MP

Q: I have recieved these camera. Question i have do i use provided long cable or do i invest in Cat5/cat6 wiring?

Good morning, The cable that comes with the system is a decent quality, unless you need custom length or the need to drill small holes for the cable to run, I wouldn't worry about changing the cable. ATB Peter - reolink supply partner

Q: Can the dome cameras be mounted on vertical walls and manoeuvred to any direction?

Yes - i have 4: 2 mounted vertically on walls, and 2 mounted horizontally. They can be adjusted and rotated to the right position.

Q: Completely baffled why there's not a black camera in this range.

Hello. If you prefer an NVR system in black version, the RLK8-510B4-A is recommended. https://www.amazon.co.uk/gp/product/B095RTFTTT/ We really appreciate your suggestion, and we will forward it to our R&D team for future improvement.

Product ID: 65917258

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Details

Brand
Reolink
Connectivity technology
Wired
Video capture resolution
5MP
Special feature
24x7 Record HD
Number of channels
8

🌙100ft Night Vision range

💾2TB HDD + expandable storage

📸5MP Super HD clarity

Frequently Bought Together

Reolink 4K NVR 8CH PoE CCTV Security Camera System, with 2TB HDD and 4X 5MP Motion Detection Outdoor PoE IP Cameras, 100ft Night Vision Remote Access, RLK8-520D4-5MP

Reolink PoE Security Camera 5MP Super HD with Person/Vehicle Detection, Home CCTV Camera with microSD Card Slot, Audio, IP67 Waterproof, 30m IR Night Vision, RLC-520A 2 Pack

Reolink 5MP PoE Security Camera Outdoor with Human/Vehicle Detection, IP66 Weatherproof, Audio Recording, RLC-520A

Description

🔒 Stay ahead of threats with crystal-clear vision, day or night!

UNMATCHED NIGHT VISION - 18 infrared LEDs deliver bright, clear images up to 100ft even in total darkness.
AI POWERED SMART ALERTS - Human and vehicle detection filters out false alarms, so you only get notified when it matters.
RELIABLE 24 7 RECORDING - Built-in 2TB HDD with up to 16TB expandable storage ensures continuous, worry-free surveillance.
CRYSTAL CLEAR 5 MP SUPER HD - Experience ultra-sharp 2560x1920 resolution for vivid, true-to-life video footage.
REMOTE ACCESS ANYTIME ANYWHERE - Monitor your property live or playback footage on your smartphone with the intuitive Reolink app.

The Reolink RLK8-520D4-5MP is a professional-grade 8-channel 4K PoE CCTV system featuring four 5MP outdoor IP cameras with 100ft night vision, AI human/vehicle detection, and a 2TB HDD for continuous 24/7 recording. Designed for seamless remote monitoring via the Reolink app, it offers expandable storage up to 16TB and robust weatherproof metal dome cameras, making it ideal for both home and business security.

Specifications

Manufacturer	Reolink
Part Number	5-8-4-D cctv Set
Product Dimensions	14.6 x 11 x 11 cm; 6 kg
Item model number	RLK8-520D4-5MP
Size	4 Count (Pack of 1)
Colour	Poe System
Style	5MP Dome
Finish	Matte
Material	Metal
Pattern	Dome Camera
Shape	Dome
Power Source	Corded Electric
Voltage	48 Volts
Wattage	20 watts
Installation method	Wall Mount, Ceiling Mount
Item Package Quantity	1
Number of Pieces	5
Extension Length	18 Metres
Cord length	18 Metres
Type of Bulb	Infrared
Head Style	Dome
Performance description	IP66 Waterproof for Outdoor Indoor
Accessory connection type	Ethernet
Display style	LCD
Plug profile	Wall Mount, Ceiling Mount
Special Features	24x7 Continuous Record, 5MP Super HD, Local and Remote Access, Night Vision, PoE Simple Configuration
Usage	Inside, Outside
Included Components	1X 4K 8CH PoE NVR, 4X 5MP PoE camera, 1X NVR power adapter, 1X HDMI cable, 1X USB mouse, 1X 1m network cable, 4X 18m network cable, 1X Quick guide, 4X Mounting template, 4X Video surveillance sign, 4X Waterproof lip, 4X Packet with screws
Batteries included?	No
Batteries Required?	No
Item Weight	6 kg

Have a Question? See What Others Asked

I have recieved these camera. Question i have do i use provided long cable or do i invest in Cat5/cat6 wiring?

Can the dome cameras be mounted on vertical walls and manoeuvred to any direction?

Recording hours

Completely baffled why there's not a black camera in this range.

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