Brightness UpgradeL2 brightness has increased by 20% and the illumination distance has increased by 50%. The flashlights can easily light up an entire room or focus in on objects up to 1800 feet away in the dark. USB Rechargeable FlashlightUSB flashlight build in usb charge port, you can use you cellphone charge adapter or power bank to charge the battery, it’s very convience to do that. Sturdy and Durable Made with IP65 Waterproof DesignThis is a well made flashlight; Its metal, well built, which can help you when you are in bad environment. It is your good partner in a bad conditions. 5 Lighting ModesHigh / medium / low / Strobe/ SOS, 5 modes meet your all needs.Switch 5 modes at will, feel free to handle different situations.It can be used for dust, heavy rain, bad weather, etc.