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 charging is complete, the switch button is green. When the rechargeable LED lights are exhausted, the indicator light will remind you. Rotate and Zoom: Our flashlight can adjust the aperture size and irradiation area by rotating the flashlight head. The focusing light can enhance the illumination, the wide-angle beam can achieve panoramic illumination, and the irradiation range is about 100-200 meters. Humanized Design: The flashlight has a pen clip, which can be easily put in your 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-low light-flash), the brightness is very sufficient, when