5 Modes LED Flashlight , Hands-free Headlamp Headlight , Waterproof Head Lamp Light, for Camping Hiking Fishing Hunting Morning Running Night Walking BBQ , Also as Power Bank LED bulb, max brightness to 2200 lumens, perfect for outdoor sports, such as camping Light weight, hands-free, waterproof, with adjustable and elastic headband, suitable for anyone With USB port, it can be used as a power bank or external battery bank to charge your cellphone Powered by 1 or 2 18650 batteries (included), also including wall charger, car charger, usb cable 5 switch mode:High/Middle/Low/Strobe/SOS for your different usage