Power in  DC, 8V~32V
Power out  12V, DC, Max Current 1A
Video input  4/2/1 channels, 1. 0Vp-p, 75¦¸, BNC
Video output  1 channel
Video Standard  PAL/NTSC
Audio input  2 channels, Line in, 50~4000mv, 50HZ~350HZ
Audio output  1 channel
Compression  MPEG2
Recording Mode  704x576, 25fps(PAL), 30fps(NTSC)
Storage  Hard disk drive (2. 5 inch)
Alarm input  4-ch Alarm Input
Alarm output  2-ch Alarm output
Ethernet  10/100 Base-T, RJ-45
PTZ Connector  RS485
Language  English/Chinese
Size  180mm(width)x180mm(length)x42mm(height)
Weight  2. 5KG
Working condition  Temperature: 0~60degree, Humidity: <90%
Multi task mode  Live video, recording, playback, alarm, backup simultaneously.
GPS  NMEA. 183