... 0-2.5M voice reminder optional Quick Details Model Number: LY-128-4 Voltage: DC 12VPower: under 4WCar Make: All ... 2/4/6/8Color: BlackCertification: RoHS, CE, FCCwaterproof, shockproof ,+80-40 Packaging 21.3*17.8*5cmPacking: 20/ CTN Carton size ... : DC12V. 4.Working current:20~180mA 5.Operating temperature: -40°C~80°C. 6.Display Distance: 0.3m~2.5m ... sensor With2, 4,6,8 Sensors for all cars (LY-128-4