Material: High-strength aluminum alloy Bulb: Highlight CREE Q5 LED Speed: strong light - weak light - flash Whether to focus: rotate zoom Size: length 15cmX head 3.5cm tail 3cm Range: less than 350 meters Battery life: 5 hours in bright light, 15 hours in low light Charging time: approximately 3-5 hours Lamp cord life: less of 100,000 hours Whether it's rechargeable: fast online charging Whether it's waterproof: waterproof for life 1. The barrel is made of a high-strength aluminum alloy shell 2. The light body adopts high-brightness CREE LED bulbs. 3. The lens adopts optical resin convex transparent frog lens. 4. Zoom mode adopts rotary mechanical focus. 5. The switch adopts the middle metal button. 6. The charging method adopts online fast charging mode. 7. The barrel adopts the anti-slip design of thread 8. The tail has a removable safety hammer. 9. Power supply mode: 1 x 18650 rechargeable lithium battery or 3 x AAA batteries (not included)