1-Display unit with built-in 4-stage audible warning buzzer
2-Digital LED display to show the distance
3-When the reverse gear is engaged, 4-system will work automatically
4-Distance to obstacles is indicated by 4-color LED lights in 7 stages
5-Left/right obstacle indication
6-Voice indication (optional)
7-Imported microchip CPU from USA
8-Detecting range: 2.0 to 0.4m
9-Operating voltage: 12 to 24V
10-Frequency: 40kHz