LCD parking sensor with English speech 1. Digital LCD showing obstacle distance 2. 4 sensors are available 3. Alarm by English speech 4. colorized LCD screen 5. The simulative vehicle is displayed in the colorized screen 6. All kinds of sensor colors and styles are available 7. High quality and easy to install can choose flash light sensors Technical: 1. Rated Voltage: 12V DC 2. Operating Range: 10.5V~ 16V DC 3. Rated Current: 50mA~180mA 4. Detecting Distance: 0.3~2.0m 5. Ultrasonic Frequency: 40KHz 6. Display Working Temperature: -30 ~+70C