- Mini and powerful: thumb-sized yet capable of up to 900 lumens, lighting a large area up to 100 meters. Attach it to your key ring for easy EDC use during dog walking, jogging, and other activities. - Easy charge and long lasting: built-in 500mAh lithium battery with Type-C fast charging port; about 90 minutes to full charge and up to 72 hours of use in low light mode. - Main and side light controls: the main light has 4 brightness modes. Double-click to turn on the main light, and click to switch the light mode: high light - medium light - Low light - Energy saving mode - long press off. Long press the side light to turn it on, and release to turn off. Double-click to turn on the side light, click to switch purple light/Red light/red flash/Red blue flash, and long press to turn off. - Ready for all weather: the LED flashlight is made of aviation-grade aluminum alloy and can reach IP65 waterproof level (soaking in water for a long time is not recommended). - Built to endure extreme conditions: designed to withstand most earthquakes, heavy rain, heavy snow and other extreme weather events. - Use scenarios: night dog walking; outdoor jogging; camping or emergency power outages.