Product spec-DVR2.
Power Supply - 110-220 Volt input, 12 Volt 3A output
Power Consumption – 20 Watt
Alarm – 8 Inputs, 1 Output
Alarm Mode – Motion Detection, Sensor
USB ports – 2 USB 2.0, 1 for mouse, 1 for USB backup (Flash, Hard Drive)
Network Interface – RJ45, 10/100 mbsp
PTZ Interface - RS485, supports 128 presets, 8 cruises,
Multiplex – view live or playback video, record, backup, and view and backup
video over the network or Internet at the same time