IP66 weatherproof and up to 80 ft. night vision - IP66 weatherproof housing can be installed in any outdoor or indoor place， built-in 24-pieces IR LEDs， get a sharp and crisp image-day or night with the camera's automatic IR-CUT filter， Up to 80 ft. night vision in total darkness

H.265 plus 16CH 1080p HD DVR: with the advanced H.265+ technology， which could double the data compression ratio， keep the high quality video even with low bit-rate， it allows you to maximize storage space and enjoy ultra-long recording

Local or 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

Motion detection and alert push - you can customize motion detection area in each camera to minimize false alerts and block out selected areas， instant notifications and email alerts with screenshot will be pushed to your phone directly as long as the cameras detect moving objects

Customize each camera with different record modes - ZOSI DVR offers 4 kinds recording modes to meet your needs: record footage continuously， record during scheduled times， only record when detect motion， recycle record

Built-in 2 TB security grade hard drive: support ultra-long continuous recording and 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