LED Solar Warning Lights: Solar-powered, energy-saving, and environmentally friendly vehicle lights. Features a USB charging option for pre-charging the solar warning flasher, with the ability to charge in the car. Offers 3 different lighting modes controlled by a switch for on/off and mode selection. Modes include multiple short flashes, multiple continuous flashes, rotating effect, and steady burn. Various modes to suit different scenarios. Provides 10-15 hours of operation after 3-4 hours of charging. Magnetic mount design with strong magnets for quick and secure attachment to the roof of cars, trucks, vans, or emergency vehicles. Waterproof and durable construction. Will not scratch vehicle paint. Suitable for a wide range of applications and compatible with various vehicles. Ideal for use on snowplows, delivery trucks, forklifts, ATVs, slow-moving vehicles, construction equipment, and more.