Key features: When reversing -- windshield displaying the distance of the obstacles The super thin shooting screen and color super-bright projection -- displaying clearly even in strong sunshine Brightness adjusted automatically -- Shining-free at night. Speed parameter adjusted continuously -- suit for different models of car Reminding function at the speed of 100km/h and 120km/h Sensitively detecting ability -- suit for high speed reverse Intellectualized anti-jamming analysis system -- low rate of wrong reporting Four-converter voice reminding During parking, the display will go 10-minute count and then put out Inside self-recovering fuses -- power protection of wrong connection Technical data: Working voltage: 10-15.5 V Maximum working current: 230 mA Waiting current: 5 mA Power protectiong of wrong connection: yes Fuse: inside self-recovering fuse Detecting scope: 0.3-2 meters(vertical plane) Buzz volume: 70 db Length of sensor line: 2.5 m Mainframe size: 128*95*26 mm Radar main frame size: 105*75*21 mm Display size: 67*40*10 mm Working temperature: -40~+80℃