Lapetus 16CH 5-in-1 Hybrid DVR Security System - 1080P NVR/AHD/TVI/CVI/Analog CCTV Recorder with Motion Detection (HDD & Cameras Not Included) - Ideal for Home, Office & Business Surveillance

DVR=Digital Video Recorder XVR (It is the heart of any surveillance system). Its basic function is recording（with HDD）and archiving video files - but that is not all that they do. They can also perform advanced tasks such as live viewing, remote monitoring, and motion detection. ​Anran DVRs are designed for 24/7 operation so you never miss a moment. A Digital Video Recorder (XVR) is designed for wired analog security cameras. They use BNC cable for a flexible and easy camera connection. ◆What's in the box? 1 x 16ch AHD DVR XVR (No HDD is pre-installed,It can Preview the Video but can't Record ,If you want to record,Just install HDD, Max up to 4TB only.) 1 X Mouse 1 x user manual 1 x power supply adapter