ZOSI 4-Channel FULL 1080P HD-TVI DVR Security System with 4x 2000TVL 2.0MP IR Outdoor Day&Night Bullet Cameras 24pcs IR leds 65ft night vision No Hard Drive H.264 4Channel 1080P HD-TVI DVR with 4 High Definition 2.0 Megapixel 2000TVL 1080P Cameras. No included hard disk Indoor/outdoor weatherproof cameras with 24pcs powerful IR-LED night vision. 65ft(20m) Night Vision Automatically Activates When Low Light is Detected. Email Notification & Mobile Push Alerts when Motion Detection,Free Apps for Live View and Playback on Smartphone Support USB port Back up , gives you the easiest option of backing up and transferring your video footage to a USB flash drive Two year quality Warranty, Life time Tech Support ! If your product stops working in the first year we will replace it.