Description: 1. Adjustable: This kind of headlamp has 4 lighting modes and it supports telescopic Zoomable you can adjust the lamp angle 90 degrees. 2. Rechargeable: This headlight is designed with 2x build-in batteries cordless and long-lasting you do not need to charge it frequently. 3. Portable: This head lamp has a headband wearable and hands-free it will not occupy so much space in your backpack when not in use. 4. Occasion: Suitable for camping hiking fishing repairing cycling and other outdoor activities this headlamp is a good supply for outdoors. 5. Reliable: This kind of head lamp is made of aluminum alloy waterproof and sturdy it can be used for a long time. Specification: Material: Aluminum alloy Size:5.8CM/2.28inch. Light Diameter: approx. 4CM/1.57inch Battery: build-in 2x rechargeable batteries Waterproof: IPX4 Lumen: Type 1: 800-1000lm type 2: 1500-1800lm 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: 1 Piece Headlamp(with 2 Pieces Rechargeable Batteries 1 Piece USB Cable)