Car Buzzer Parking Sensor System with LCD Display 1. LED display 2. Current: 200mA 3. Input power: 12V DC 4. Operating temperature: -30 to +70 degrees Celsius 5. Voice alarm: 80dB 6. Ultrasonic frequency: 40 kHz 7. Sensor detection range: 0 to 2.0 m 8. Sensor diameter: 22 mm 9. Equipped with a 4-sensor system that mounts to the vehicle's rear bumper for enhanced coverage and detection 10. A 3-color LED digital display shows the distance between the vehicle and obstacles 11. Helps provide greater safety for passengers, pedestrians, and family members who happen to be around a moving vehicle. It can also detect small children and low walls. 12. Made of high-quality materials to ensure durability and longevity 13. The radar system is designed with protective circuitry and high-quality components to prevent overheating or overloading. 14. Features adaptive environmental technology to help protect the radar system from freezing and is ruggedly weatherproof.