Features: Multiple Alarm Modes: Car radars built-in Russian/English voice, beeping and mute alarm mode, long press button to switch, short press to adjust the volumes, eight levels adjustable. Sound Alarm: The alarm supports multiple alarm mode switching, as the distance to the obstacle is shortened, the alarm sound will become faster and warn the driver in time. Easy to Use: When the vehicle is engaged in reverse gear, the reversing radars system will automatically enter the detection working state, easy to operate without manual intervention. Accurate: The detection accuracy of the sensor is 300-2500mm, and the display can accurately show the distance of obstacles and remind you to stop the car in time. Easy to View: High-quality LCD digital display shows obstacle distance and direction in real time through red/yellow/blue color matrix, which is clear at a glance and convenient for drivers to assess the situation. Reliable Quality: Dual CPU design, quick response, support probe self-check function, abnormal status prompts, preventing reverse collision caused by probe damage. Easy Installation: Flush mounting design with drill bit for easy drilling holes on car bumper. It is compatible with 12 V vehicle in the market. Specifications: Material: ABS Parking Sensor Color: Black / White / Silver / Grey(optional) Rated Voltage: 12 V Operation Voltage: 9-16V Working Current: 20-200mA Detection Distance: 300-2500mm Ultrasonics Frequency: 40KHz±1KHz Working Temperature: -30-70℃ Display Size: 70 * 54 * 45mm/ 2.8 * 2.1 * 1.8in Control Box Size: 115 * 71 * 22mm/ 4.5 * 2.8 * 0.9in Sensor Size: 24 * 24 * 19mm/ 0.9 * 0.9 * 0.7in Package Size: 300 * 210 * 55mm/ 11.8 * 8.3 * 2.2in Package Weight: 910g/ 21.1oz Packing List: 1 * Controller Host 1 * LCD Display (5m Cable Length) 8 * Probe (2.3m Cable Length) 4 * Front Probe Extension Cable(4m Cable Length) 1 * Power Cable (0.8m Cable Length) 1 * Drill Bit (Standard Diameter φ22mm) 2 * Stickers 1 * Instruction Manual