Features: 1) Picture Tube: 5.7'' B/W CRT 2) Resolution: 380 TV lines 3) Camera: 1/4'' B/W CMOS sensor, 100000 pixels, 3.6mm Lens, 0.5Lux Min. Illumination, with IR LED Lights 4) 4 Transmit/Receiv channels for your choice to avoid possible interference 5) Support 4 wireless cameras at the same time, Manual or Auto channel scan 6) Transmission distance: 100 - 200m 7) Power supply: DC13.5 (for monitor), DC 12V (for camera) 8) Power consumption: <12W 9) Each package contains: 1 monitor (receiver), 1 camera (transmitter), 2 AC/DC adapters, 1 manual, adjustable stand Carton dimensions: 50.5 x 34 x 43.5cm / 4sets Qty/20' FCL: 1,490pcs Qty/40' FCL: 3,100pcs Qty/40' HQ: 3,480pcs