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 cigarette lighter adapter and can be installed in a vehicle. Easy to operate: A single switch controls three different modes and power on/off. Modes include multiple flashing patterns, steady lighting, and rotating effects, providing suitable options for various situations. Simple installation and removal: The warning light features a strong magnetic base, allowing quick attachment to the roof of cars, trucks, vans, or emergency vehicles. It is easy to mount and remove, and is waterproof and durable. Multi-functional use: This LED warning light is suitable for fog, rain, and snow conditions. Ideal for emergency applications with bright, long-lasting illumination. Suitable for both personal and professional use, including snow removal, transportation, forklifts, off-road vehicles, slow-moving vehicles, and construction equipment. High-quality materials: Made from durable ABS plastic with high transparency, no fading, and no abrasion. Features IP65-rated waterproof performance.