80 ft. night vision and IP66 Weatherproof Metal Housing: built-in 24-piece IR LEDs， you can get a sharp and crisp image day or night with camera's automatic IR-CUT filter， up to 130 ft. night vision in ambient light and 80 ft. night vision in total darkness， more than 3.0 lux the night vision is color. IP66 weatherproof housing is ideal for installing both outdoor&indoor.

H.265 plus 16CH 5MP-lite DVR: the latest H.265 plus video compression technology could double the data compression ratio， keep the high quality video even with low bit-rate. It also allows you to maximize saving storage space for ultra-long recording.

Smart motion detection and instant alerts: customize a specific motion detection zone on each camera to minimize false alerts. Smart instant notifications and email alerts will be pushed to your devices once the camera detects motion.

Privacy protection and remote access: block out the selected areas on each camera， people can not view of certain areas activities， free to remote access on smart devices(ios/android) at anytime anywhere with Wi-Fi/2G/3G/4G.

ZOSI DVR offers 4 kinds recording modes for your needs: recording footage continuously， recording during scheduled times， only recording when detect motion， recycle recording. Each camera can be customized.

Local &remote access， playback anytime and anywhere - view and control your security system locally by connecting the system to a monitor without internet， or via free ZOSI Client software on Windows or Mac， or via iOS and Android app (ZOSI Smart ) on mobile devices remotely.

No monthly fee. Built-in 4 TB security grade hard drive for ultra-long continuous recording and support backup by USB. DVR can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external hard drive.