rear view system,Wirelesscar rearviewsystem, car reversing system, rearview system Free Voltage DC11-32 Volts Wireless Backup Camera System 3.5" Digital TFT LCD Monitor Built-in 4 CH 2.4GHz wireless receiver and Day/Night Sensor for Illumination of the Control Knobs, On-Screen Menu for All Settings: Normal/Mirror view,Reversing Image Delay, Priority of Reverse Camera,Automatic switch ON (by reverse gear and or by direction lights) 2.4GHz Wireless Transmitter Color Camera 2.4GHz Wireless Transmission Backup Color Camera(MODEL:DF-8027IRFS) Image Type: 1/3 Color CMOS Horizontal Resolution:330TV Lines Effective pixel:NTSC:510(H)X496(V);PAL:628(H)X586(V) Usable illumination:0Lux(Built-in 8pcs IR LED) Water resistance:IP65, Waterproof for outdoor use Wide angle : 150 degree Wireless Transmission Power Box Built in 2.4GHz Transmitter and Omni-directional Antenna About 100 meter wireless send distance without block Wireless Transmitter box Power supply:DC12 24V/350mA 3.5" Digital Screen Wireless Receiving TFT LCD Monitor (Model:SP-352) Display Resolution: 320RGB(H) X 240(V) dot Wide view angle(CR>10):(up/ down): 45/65 (left/right): 65/65 Brightness (cd/m2): 300 Contrast ratio: 300:1 Color system: PAL/NTSC Built-in 4 CH(2.414/2.432/2.450/2.468)GHz wireless receiver Estimate of 100 meter wireless receive distance without block Receiving power: -80 dB Operating temperature: -20 to +70 Storage temperature: -30 to +80 Power consumption:DC11 32V External dimension:L*W*T(80X80X21.5)mm Weight Approx: 179g Product Accessories Auto Cigarette Lighter, Remote Control, User's Guide