Features: 1. Material: This headlight is made of ABS and aluminum alloy so that is wear resistant and not easy to break. 2. Application: This headlight is IPX5 life waterproof which can be used in rainy days but can't put in the water. 3. Dimmable: This headlamp is designed with 6 lighting modes which can adjust the brightness according to needs. 4. Portable: This head light is compact in size and lightweight which can take it for outdoor activity easily. 5. Fit Occasions: This headlight can be used many occasions such as bicycles cycling hunting and fishing. Specification: Material: ABS aluminum alloy Size: 9x4.1x2.6cm/3.54x1.61x1.02inch Note: 1. There might be a few color distortions due to different computer resolutions. 2. There might be a slight error due to different hand measurements. includes: Type 1: 1 Piece Headlight(with 1 Piece USB Cable). Type 2: 1 Piece Headlight(with 1 Piece Rechargeable Battery 1 Piece USB Cable).