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 charging time is generally from 3 to 4hours and the using 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: a switch controls three different modes and on or off. The mode includes multiple temporary flashlights, multiple security flashlights, rotation and uniform recording. get differentmodes 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 to remove. waterproofand durable.Multi-function: 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 work orprofessional, including snow sweepers, transport vehicles, forklifts, off-road vehicles, slow cars, construction vehicles, etc.High quality material: The LED warning light is made of durable ABS, with good transparency, no fading, no abrasion, IP65 good waterproof performance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.