1. Five light modes: high, medium, low, flash and emergency mode to meet your different needs. 2. Waterproof and almost indestructible-Designed for rough handling, this flashlight can withstand a drop of 10 feet or be temporarily immersed in water. You can still freeze it or run over it with a truck, and it will still work! Suitable for use in rain, snow or emergency situations. 3. Small and portable: small size, light weight, suitable for hand, pocket, backpack, easy to store and carry. 4. Thin shell material: aluminum alloy shell, durable and waterproof in daily life. Don't worry about rainy or snowy days. 5. Very suitable for dog walking, hunting, boating, power outages, patrols, hiking, camping, emergency situations. Perfect gift for father, husband, wife or college students for any occasion 6. When used in the bass setting, it runs for more than 10 hours, making it the ultimate campsite accessories and equipment. 7. Single battery high lumen flashlight: LED flashlight provides high lumen light. It has a large area projector and a focusing projector. Can illuminate a distance of 200 to 500m. The flashlight with built-in battery (26650 or 18650) can be charged via USB cable. 8. Zoom design: Head telescopic zoom can reduce or enlarge the area you want to light up. Zoom in to focus the light and obtain a spot beam, zoom in to amplify the light and obtain a wide range of illumination. 9. Wide range of uses: suitable for camping, cycling, night patrol, fishing, hunting and emergency situations.