... : 1 wireless DVR motion alarm, 1 SD card (4G), 1 USB cable, 1 power adaptor,1 door ... 32G, automatic overwrite, data can be saves when power-cut, can connect with computers. 7. AC/DC ... light with an extra device added. (Optional, AC power only) 9. Automatic indication of valid recording, ... pair maximum 10 wireless sensors/remotes. Special Features: Power Input:100~240VAC 50HZ/60HZ Backup Battery:3. ...