Quality material: the usb rechargeable flashlight is made of quality aluminum alloy material with stable and durable performance; Daily waterproof, high brightness, low power consumption energy saving 3 Modes: led flashlight with 3 modes, highlight, light flash, side cob light, use for long distance observation or large area illumination Zoomable design: zoom in to focus on objects or zoom out to sweep a large area by pulling the flashlight head; The adjustable flashlight beam can be changed as wide or as narrow as you need Practical: led flashlight with integrated micro USB charging port enable you to travel anywhere without carrying backup batteries. Note: When the brightness of the flashlight is dimmed, it should be charged in time to ensure normal operation Convenience: light weight and compact size ensure portability; Pocket size flashlight makes it convenient to carry; Suitable for camping, hiking, cycling, emergency, ect.