Customer Service: With 30 days money back service, 12 months replacement, life time technical support. Respond within 24Hs Package Include : 1* 7 inch Monitor 1* Rear Camera(Aviation 4 Pins) 1* 33 ft cable 1* Remote Control. Monitor and camera was made of High Quality material, provide long time using gurantee, and easy to install and no need hire electrician. Rear Camera : IP 68 Rating Waterproof, 120 Degree Wide Viewing, No guide line, won't affect image. 4 pins Cord- more closely connected, Strong anti- interference. 7 Inch Full Color Monitor: 2 channel selectable, rotate image. Monitor automatically turns on and switch to rearview camera when reversing. Monitor can be roof mounted or dash mounted to meet your special need. Upgrade High quality Materials Single Camera Backup System full using for 33 ft length 12V - 24V RV/ trailer/ Camper / Lorry / Pickup / Bus, The Monitor offers improved image quality with better contrast and color performance than normal LCD.