Multiple charging methods: The warning light can be charged via cigarette lighter or USB charger. Use the USB charger to charge in advance. Charging time is typically 3 to 4 hours, with a usage time of 8 to 10 hours. The product comes with a lighter and can be installed in a vehicle.Easy to operate: A single switch controls three different modes and on/off functions. Modes include multiple flashing patterns, security lighting, rotating effect, and steady illumination, providing suitable options for various situations.Easy to install and remove: The warning light features a strong magnetic base, allowing quick attachment to the roof of cars, trucks, vans, or emergency vehicles. It is simple to mount and detach. Waterproof and durable design.Multi-function: This LED warning light is suitable for use in foggy, rainy, and snowy conditions. Ideal for emergency situations with bright, long-lasting illumination. Suitable for both personal and professional applications, including snow removal, transportation, forklifts, off-road vehicles, slow-moving vehicles, and construction equipment.High-quality material: Made from durable ABS plastic with high transparency, no fading, and no abrasion. Features IP65-rated waterproof performance.