USB rechargeable, low battery alert: Our flashlight can be charged via USB and also includes a rechargeable battery. When the super led flashlight is charging, the switch button is red. When the load is completed, the switch button is green. When the rechargeable LED lights run out, the indicator light will remind you. Rotation and Zoom: Our flashlight can adjust aperture size and irradiation area by rotating the flashlight head, focus light can improve illumination, beam wide angle can get lighting panoramic and the irradiation range is about 100-200 meters. Humanized Design: The flashlight has a pen clip, which can be easily put in the pocket and easy to carry. There is a non-slip silicone tube at the handle of the flashlight, which is not cold to the touch, preventing the hand from slipping and the flashlight from falling. 4 lighting modes: Our LED flashlight has 3 lighting modes (strong light-weak light-flash), the brightness is very sufficient, when the brightness is high, does not shine directly on the human eye, you can use the strobe mode in case of emergency. situations. Versatile Use: Waterproof for life, our LED flashlight can work in any weather, perfect for camping, hiking, fishing, running, walking, power outages, emergencies, everyday use general servant. If you have any questions about our products, you can contact us, we are committed to providing you with the most satisfactory service.