5.7 inch B/W picture tube.(rectangle)
Approval certificate:CE,FCC,FDA,UL(for adapter),ROHS
High resolution, square-corned screen display
Four channels Audio/Video input, single channel Audio/Video real time output (C1.C2.C3.C4)
Can select single channel signal display
Auto switching Audio/Video input
Auto switching time selectable (2-20 seconds auto cycling)
Supply two ways DC power 12V 150mA for cameras
Connected to different kinds of cameras, other audio/video signals compatible
Apply to 50Hz-60Hz field frequency
12V 1000mA DC power supply
Power Supply:          DC 12V  1000 mA
Power consumption:    ≤12W
Horizontal resolution:   ≥ 420TVL (center)
Operation temperature:  0~45℃
Weight:                 1.4kg
Meas.:                  180×202×150mm
Package:     50x51x25CM    4 set/carton          G/W:12.8kg   N/W:11.8kg
	20': 1750 Sets          40':3680 Sets