Safety Flashing 108 LED Amber White Emergency Light Bar - 47'' Strobe Beacon Warn Truck Waterproof for Construction Vehicles Tow Snow Plows Good prompt effect: Through the buttons of the controller, you can easily adjust 15 kinds of stroboscopic effects to alert the surrounding vehicles, which not only protects the safety of you and others, but also allows you to quickly reach the scene in need of rescue. Light transmission: The highly translucent PC material focuses and illuminates the light source, providing an amazing warning effect even on the road late at night, in heavy rain, fog or snow. LED Light Source: Surrounded by 108 high-quality LED beads in two colors (yellow and white), it has a 360° lighting coverage range that is bright even during the day and can be seen from 1,968 feet away! Stronger waterproof performance: Made of high-strength aluminum, PVC, PC materials, lighter aluminum does not exert too much gravity on the car, thus making driving easier. The tightly connected housing and well-sealed lampshade make it waterproof to IP66, and can flash normally even in heavy rain and snow. Memory function: When powered on again, you can continue to set the last light, reduce the troublesome setting frequency, and use more convenient. Two on/off keys on the controller can achieve independent control of both sides of the lights, which is more flexible in various situations. Easy installation: The mounting bracket and its pre-punched design, as well as the complete mounting accessories, make it easy to install on the roof. It is suitable for all engineering vehicles, safety warning vehicles, snowplows, trailers, trucks, etc. equipped with a 12-24V power supply for safety hazard warning and emergency needs.