1.LCD screen shows distance 2.Self-detection 3.Built-in multi-color sensor Easy to installLCD screen shows distance Intelligent design and self-detectionSystem automatically start white reversingSave energy : normal battery can be used for 3 monthsBi-Bi alarm soundBuilt-in sensors like original car equipmentScreen shows, when there is no bar within 2.0mScreen shows distance in digital when there is bar from2.0 to 0.4mScreen shows -P, when there is bar closer than 0.4m

Technical Parameters:
Max power:	200mW
Working temperature:	-40°C~+80°C
Working voltage:	12-15V
Warning distance:	2.0M-0.1M
The inside beep sound level:	80dB