1. Digital led showing obstacle distance.
2. Led1-y4 reporting the distance with the voice.
3. Led1-y4 alarm by chord music.
4. Led display with three colors (red , yellow & green).
5. Crescent shape digital display screen.
6. 2í½8 sensors are available.
7.Turn on/off the voice according to your desire.
8. All kinds of sensor colors and styles are available.
9. High quality and easy to install.
