Detailed Product Description Screen size :5,6 or 7 inches Connectable to parking sensor systems,able to realize a perfect combination of sound ,image ,direction telemeter and digital telemeter Phonic reminder:BI BI BI or speaker voice warning Two video inputs :AV, DVD or VCD ,back-view camera Multimedia parking sensor system consists of high-definition water-proof camera and ultrasonic detective distance system Technical data: 1.Operating voltage: 12V DC (24V available) 2.Operation current: 20mAh ~ 200mAh 3.Detection distance: 0.3 ~ 2.0m 4.Ultrasonic frequency: 40kHz 5.Operating temperature: -10 癈~ +65癈 6.Beep volume: ≥48dB 7.Power consumption: 8W max