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 includes a cigarette lighter adapter 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, steady security lighting, rotating effects, and uniform illumination to suit various scenarios. 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. Multi-function: This LED warning light is suitable for use in fog, rain, and snow. Ideal for emergency situations with bright, long-lasting illumination. Suitable for personal or professional use, including snow removal, transportation, forklifts, off-road vehicles, slow-moving vehicles, construction equipment, and more. High-quality material: Made from durable ABS plastic with high transparency, no fading, no abrasion, and IP65-rated waterproof performance.