3.5-inch Professional Surveillance Hard Drives for DVR & NVR Security Camera Systems Full Color Night Vision it can operate reliably in

it can operate reliably in extreme temperature conditions ranging from -30 °C to +60 °C (-22 22°F to +140°F)

Just download the app and scan the QR code to add devices

6X Cameras

Guard you 24/7 all year round

3.5-inch Professional Surveillance Hard Drives for DVR & NVR Security Camera Systems Full Color Night Vision it can operate reliably in24 7 Non Stop Recording for NVR DVR Systems Insert the hard disk drive to the NVR or NVR to record & save videos continuously. You'll never miss any important details during your absence. Compatible with All Brand DVR NVR Systems The professional surveillance HDD, with surveillance optimized hardware, can be integrated into DVR NVR systems from all brands, instead of the ANNKE only. Premium Materials for Long Lifespan SANNCE HDDs are made from