... Sensor and Video, it can support the 4_channels parking sensors and the camera when you are reversing your car.5 ... Supply DC Voltage 12V ~24VPower12V, 1AInput/OutputTouch PanelMulti-touch capacitive touch screenSpeakerDual channel speaker. 1.5WMicro Card Slot Capacity up ... line of distance10. WaterproofParking Sensor1, 1 control box, 4 sensors, power line and signal line2, Working current: ≤100 mAMax ...