2016 !car Led Parking Sensor Monitor Auto Reverse Backup Radar Detector System + 4 Rader?

Features !#!amp!*! Functions:

1.Numeral and color LED display

2.Alarm by three-step Bibi sound

3.Left and right obstacle indication

4.Numeral display from 2.0m to0m

Parameter:

voltage	9DCV—15DCV
Rated voltage	12DCV
Power cost	Max 1.5W
Respond distance	0.4m—2.0m
Alarm distance	0m—2.0m
Display mode	Led display
Sensor diameter	22mm
Install mode	drill
Sensor angle	X.Y.60°
work temperature	-30°---+80°
Alarm type	Buzzer (Bi Bi....)
alarm volume	65dB
Alarm frequency	1.6-2.0m:whisht;1.1-1.5m :1 HZ(slowness); 0.6-1.0m:3 HZ(commonly); 0-0.4m :7HZ(hurry) ;