4.3"rear LCD MONITOR +6PCS VEDIO PARKING SENSOR SYSTEM +2 car camera Features: Supports all parking sensor power-on self-testing function Display real image and distance of obstacle on screen Left and right direction indicate,distance buzzer beep alarm The rear detection distance is from 0.4m~2.5m The front detection distance is from 0.3m~0.8m Two way camera video input,one way composite video output Specifications: Rated voltage: DC12V Operating range: 10.5V-16V Rated current:40~800mA Detecting distance: 0.40m~2.5m(Rear)/0.3m~0.8m(Front) Ultrasonic frequency: 40KHz Working temperature:-40C~+80C(Celsius) *Noticed* This 6-sensor visual parking radar system (2PCS FOR front side .4pcs sensor for rear side ,can working with 2PCS cameras(front&rear) and monitor (optional..can be with 4.3"lcd screem ,or without lcd screem ,if you choose without ,then unit must working with your original car dvd gps player ) package including: 1 x control box 1 x buzzer 6 x sensors(2 front+4 rear) 1 x power cable 1 x video cable 1 x drill 1 x rear Camera for ranger car 1 x front carmera