Features:- The host and display is a wireless link.- LCD display， digital and showing obstacle distance.- 4 sensors.- 2.5-inch simulation screen.- 0 to 2m alarm distance.- Numerical and color LCD display.- Alarm by three-step Bibi sound.- LCD display shows three direction's distance at the same time.Specifications:- Working voltage: DC 9 - 16V- Power consumption: 1W- Display mode: LCD display- Sensor diameter: 22mm- Installation mode: Drilling- Sensor angle: X， Y， 60 Degrees- Work temperature: -30 to 80 Centigrade- Alarm volume: 65dB- Material: ABS Type: Rear View Camera Model : PZ500 Display screen : LCD ArrayPackage weight: 0.555 kg Product size (L x W x H) : 10.5 x 6 x 2.5 cm / 4.13 x 2.36 x 0.98 inches Package size (L x W x H) : 27.5 x 17 x 4.5 cm / 10.81 x 6.68 x 1.77 inches Package contents: 1 x PZ500 Car Parking Reverse Radar， 1 x LCD Display， 4 x Sensors， 1 x Power Cable， 1 x Drill， 2 x Stickers， 1 x English User Manual