* This Backup Camera Must Need one When Parking Your Trailer to Get Decent Image Quality to Make Your Reversing More Confident and Safty :7 inch TFT LCD Full Color, PAL/NTSC Auto * Camera Itself :Waterproof Camera With 18 Infrared (IR) Lights and CMOS Sensor. * (2) 67 +(2) 33 Foot Camera Extension Cords : This Wire Is Aircraft Grade With High Quality Connectors Providing A More Stable Signal And Much Longer Service Life.d Much Long Lift Time It Will Be. * Flexible Vehicle Comatability:Voltage Range From 12V-24V DC Power to Accomodate A Wide Variety Of Large Vehicle Such As Semi-Trailer/Box Truck/RV/Motorcoach/5th Wheel/Trailer/Bus