Description Parameters: 1. Voltage: 9-15V DC 2. Rated Voltage: 12V DC 3. Power Consumption: Max 0.5W 4. Detection Range: 0.3m-2.0m 5. Alarm Range: 0m-2.0m 6. Display Mode: LED Display 7. Sensor Diameter: 19mm 8. Operating Temperature: -30 ~ 80 degrees Celsius 9. Sensor Angle: X/Y/60 degrees 10. Alarm Type: Buzzer (Beep Beep…) 11. Alarm Volume: 65dB 12. Alarm Frequency: 1.6-2.0m: 0.5Hz (slow) 1.1-1.5m: 1Hz (slow) 0.6-1.0m: 3Hz (normal) 0-0.4m: Beep Beep — Features: 1. Easy to install.2. Color and numeric LED display. 3. Three-step audible alarm (Beep). 4. Left and right obstacle indication. 5. 2.0 m/s range numeric display.