Car Universal Alarm 650nm Red Laser Tail Fog Light Lamp Features 1. 100% brand new and high quality 2. High bright and anti-collision. 3. Low power consumption and ultra long life. 4. Easy to install, simply to replace, convenient using. 5. Rain and fog weather turned anti-fog lamp at the rear to form a fan-shaped warning aurarear driving tips to keep safe driving distance! 6. This is the newest car laser light, it can offer a safety distance between your follow cars in rain and fog weather. 7. You can adjust the angle of the bulb to adjust the safe distance and avoid the traffic accident. 8. Wavelength range: 650nm, power: 5mW, range: 50-200m 9. Functions: Car rear-end artifacts, encountered bad weather, fog lamps will produce the laser fan beam oblique, when the road surface after the beam to form a red line for the car after the warning line, the width of this line depends on how car and the vehicle in front of the vehicle from, for example, from a distance of 30 meters looks, the line width of the vehicle, like a & amp; amp; Idquo; Stop & amp; amp; rdquo; line, after a clear warning to keep the car safe distance between vehicles Installation 1. Tear twiseted fog lights fixed to the tail just above the license plate. 2. The laser fog cable and connected to the rear fog line. 3. Open the fog lights, adjust the angle ,and tighten the screws. Notes 1. Do not open the laser irradiation of the eye to adjust the height of the fog. 2. Do not block the plate mounting location.