Features:
1) Start up reversing system and parking sensor turns on automatically
2) Compact design digital LED showing obstacle distance
3) Easy installation on any kinds of vehicle
4) Workable in rainy days and dark nights
5) Anti-waves, durable
6) Four buzzer tones alarming
7) Anti-shock and wet-proof
8) Probe from all directions
9) Two or four sensors for optional

Specifications:
1) Operating voltage: DC 9 - 15V
2) Static current: 40mAh
3) Max power: 4W
4) Farthest distance: 2.0m
5) Siren sounds distance: 0.1 - 1.2m
6) Siren volume: 85 - 105dB
7) Operating temperature: -40° - 80°

Inner packing:
1pc/box

Outer packing:
20pcs/ctn
Carton dimensions: 370 x 225 x 60mm