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: