Specification: Voltage: 6V. Usage: Emergency. Power Source: DC. Product Name:Warning Light. Size: about 87*45 mm. Weight :about 130g. Material: ABS+PVC. Light Source: COB. Lifespan of LED: more than 10,000 hours. Lighting Modes :Yellow Light Flashing. Battery :3*AAA Battery (not included). Light Source: LED Bulbs. Features: HOOKS & MAGNETS FOR EASY SETUP: Secure your vehicle inside out. Use the hook to hang the roadside safety discs from the coat hangers or stick the LED road flares to the metal roof, trunk, side, and hood thanks to the strong earth magnets on the back of your LED flares. DURABLE BUILD FOR ALL CONDITIONS: Waterproof and shatterproof, the emergency flares run flawlessly in rain. Every roadside safety disc is durable, with a battery ranging between 5-10 hours depending on usage, pattern mode, and brightness of the road flare. Features 6: light emergency car approved. Emergency light v16 homologated dgt