Features:
1) Display type: LCD cartoon flashy liquid display
2) Sensor number: 4pcs
3) Sensor color: black, red, white, silver, green, gold, orange, blue
4) Detector type: drilling or stick-on
5) 2-digital display the distance
6) Activation:
a) Rear sensor is activated when reverse gear is engaged
b) Bi Bi sound indicate and obstacle will be shown on the display by signal
c) On backing the car, the rear sensors detect obstacles behind
the car automatically
d) Stage-by-stage sound alarm to avoid colliding; the voice
could be adjusted, with mute setting
7) Versatile detection range
8) Sensor types for optional

Specifications:
1) Working voltage: DC12V±2V
2) Input: 5W (max)
3) Beeper: 80 - 90dB
4) Working temperature: -40 ~ +80oC
5) Frequency: 40kHz
6) Best detection distance: 0.3 - 1.5m

Outer packing:
10pcs/carton
Carton dimensions: 34 x 21.5 x 39.5cm