【Full Sensor】The reversing radar reversing sensor can measure the distance of obstacles around the vehicle at the front, rear, left and right. The display will clearly show the direction of the obstacle and tell the driver the exact distance to the car. As soon as your car is about to hit an obstacle, the radar will sound an alarm, and of course, the alarm can be set to silent. 【HIGH QUALITY】The parking detector is made of high-quality materials, with good durability and long service life. Radar systems are designed with high-quality protection circuits and components to prevent overheating or overloading. [Product specifications] Rated operating voltage: DC 12V Operating voltage range: DC 10V ~ 16V Operating current: 20mA ~ 500mA Front radar detection range: 0.2 ~ 1.0m Rear radar detection range: 0.2 ~ 2.5m Temperature: -40 ~ + 85 ℃ LCD operating temperature: -20 ~ +60 Buzzer operating temperature: -40 ~ +85 Voice operating temperature: -20 ℃ ~ +75 [Wide range of functions] The