Extremely Bright: The flashlight uses a high-efficiency Cree L2 LED chip, with a beautiful PCB design and a galvanized aluminum plate, with a maximum of 600 lumens. The light beam can be projected up to 200m. 3 adjustable modes. Just turn this flashlight inward or outward to get a beacon or spotlight. It only has 4 lighting modes (High, Low, Strobe, COB), which effectively reduces the difficulty of switching between 5 modes. Everything is provided for a better using experience. USB Rechargeable Flashlight: The USB LED flashlight is equipped with a 18650 rechargeable battery. It can be used with a USB cable or with a power adapter. laptop, car charger, power bank, etc. Adjustable zoom and focus: With USB flashlights, the diameter of the light is adjusted from above and by turning in clockwise or counterclockwise. As you adjust, the light will either be smaller and more focused, or larger and less focused, but will illuminate a wider area. Waterproof and Portable: Waterproof to IPX4 standard and designed for use in heavy rain . Even without the USB port cover, it can also be waterproof. Its durable aluminum body and elegant shape make it easy to carry on a daily basis. Perfect for camping, hiking, fishing, running, walking the dog, power outages, emergencies, targeted research and general home use.