Type：Car Parking Sensor Product Name：LP203-R Function characteristic： 1).Detected in front & back 2).Full-weather design, Un-affected by wind, Ice,Snow & Rain 3).Chirping warning & digital display 4).Display in Green, Orange & Red 5).Left/Right Obstacle Display 6).Sensor color optional 7).Original PHILIPS Chip, Quality guarantee Technical parameter： Operate Voltage: 10-15V Detecting Range: 2.0m ~ 0.2m Max Power Consumption: 4 W (Max ) Alarming Volume of external Siren: 80dB Optional Temperature: -40°C ~ + 80°C Alarming Volume of built-in Siren: 80dB The example of the detecting range of different object . The obstacle The Detect Range Wall 1 Spare meter , ＜2.0m Car ＜1.5m Adult ≤1.2m 0.4m?1.0m Pillar ≤1.2m