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 power on/off functions. Modes include multiple flashing patterns, steady lighting, rotating effects, and uniform illumination, providing suitable options for various scenarios. Simple installation and removal: The warning light features a strong magnetic base that securely attaches to the roof of cars, trucks, vans, or emergency vehicles within seconds. It is easy to mount and remove, and designed to be waterproof and durable. Versatile functionality: 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 such as snow plows, transport vehicles, forklifts, off-road vehicles, slow-moving vehicles, and construction equipment. High-quality materials: Constructed from durable ABS plastic with high transparency, resistance to fading and abrasion, and IP65-rated waterproof performance.