DEWIN Car Parking Sensor, 12V Rear Parking Assist Car Reverse Backup Radar Kit Warning Sound Indicator Probe Self-Test Function System, 30CM~150CM

Features: Bibi level three heartbeat tone.Professional manufacturing, high sensitivity, high reliability.Made of high quality plastic material,durable in use.30CM~150CM, the accuracy of centimeter level, accurately indicating the distance of obstacles.Bi.Bi.Bi. beep sounds step by step alarm, the closer the distance is, the faster the alarm sounds.Probe self-test function, prompting the probe abnormal state to avoid reverse collision caused by probe damage. Specifications: Condition: Brand New Material: Plastic Color: Black Rated operating voltage: 12V DC Working current: 20 ~ 200mA Detection distance: 30CM ~200CM; Display distance: 30CM~250CM (cm-level display accuracy) Working temperature: -30°C~+70°C Ultrasonic frequency: 40kHz ± 1kHz Package Weight: Approx.271g/9.6oz Package List: 1 * Main Control Box 1 * Audible Alarm Indicator 4 * Parking Sensors, 2.3m line 1 * Power Cord 1 * Hole VI 2 * Double-sided Pads 1 * User Manual