LCD display parking sensor features: 1. Mini LCD display, buzzer or speach both are available 2. Dual CPU, 4 sensors system, obstacle orientation indication 3. Operating voltage: 12V DC 4. Maximum power: ≤5W 5. Operating temperature: -40 to 80°C 6. Display distance: 0.3 to 2.0m 7. Alarm distance: 0.3 to 1.5m 8. Alarm voice: >80dB 9. Ultrasonic frequency: 40kHz