Car DVD Navigation Display Visual Voice Prompt Reversing Sensor System The wavelength of Laser Light

The wavelength of Laser Light is: Red 650nm

1 x Key Ring

You could count how many steps you have walked and this watch will count how long you have walked

chemical industry

A good replacement of stickers and whiteboards

Car DVD Navigation Display Visual Voice Prompt Reversing Sensor System The wavelength of Laser LightProduct Features: Features: 4 sensor system, advanced chipset for enhanced coverage and detection. High sensitivity. With sound alert when the 4 cameras detect dangers. The closer the obstacles, the louder and faster the sound alert. Help to prevent dangerous and costly collisions. Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Detect small children and low walls as well.