Multiple charging methods: There are two charging methods for the warning lights: cigarette lighter and USB charger. You can use the USB charger to charge in advance. The recharge time is generally 3-4 hours and the usage time is 8-10 hours. The product is equipped with a lighter in the package and can also be installed on the car. Easy to open and close: One switch controls three different modes and on/off. The mode includes multiple temporary flash lights, multiple safety flash lights, uniform rotation and recording. Get different modes needed in different scenes. Easy to install and remove: The warning light is equipped with a strong magnetic base, which can attach to the roof of your car, truck, van or emergency vehicle in seconds, easy to attach and remove. waterproof and durable. Multi-functions: This LED warning light is suitable for foggy, rainy and snowy seasons. Ideal for emergency use with bright, long-lasting light. Emergency lights can be used for personal or professional work, including snow sweepers, transport vehicles, forklifts, off-road vehicles, slow moving cars, construction vehicles, etc. p> High quality material: the LED warning light is made of durable ABS, with good transparency, no fading, no abrasion, IP65 good waterproof performance. Sold by the store cool grid