Features: Car Parking Camera Video Channel Converter Auto Front / Side/ Rear View Car Camera Video Control Box This item support 4 AHD cameras or 4 CVBS cameras !!! DON'T working with AHD camera and CVBS camera together!!! Specification: Working Power: Max: 50MA, 12V DC System signal: AHD / CVBS PAL / NTSC Working temperature: -20-80 2 to 4 way camera control system: Red= +12V (ACC) Black= Negative Blue= Brake light fuse White= Backup light fuse Green or Brown= Left turn light or fuse Yellow= Right turn light or fuse Material: ABS Colour:Black Package Contents: 1 x 2 to 4 way camera controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.