1. Using T40 beads, high brightness and long range. 2. Type-C charging interface, equipped with USB charging cable. 3. Small and easy to carry, suitable for outdoor travel, self driving exploration, construction site lighting, home emergency, etc. 4. Two modes: white light, burst flashing 5. Product parameters Material: Aluminum alloy Bulb: T40 Lumen: 1200LM Gears: single click to turn on low light-strong light-off, double click to enter burst flashing mode Charging method: Type-C 5V 1-2A Battery: 21700 or 18650 battery (not included) Waterproof level: IPX6 Range: more than 300 meters Product size: 14x3.9cm Net weight: 150g (excluding battery)