Features: Constructed from aluminum alloy, which is durable and antirust. Comes with an elasiticity head band, which is suitable for all person. Waterproofing design that can be used in the rainy days. When youre doing work up close or you want to focus on a specific object, zoom in to project a bright spotlight. Purpose-designed for jobs, law enforcement, hunting, exploration, security, fishing, search and rescue. Specifications: Item Size:81*55*38mm Package Size:120*110*98mm Color: Black&Silver Material: Aluminum Alloy Lighting time: About 3 hours of continuous illumination Battery: 2 x 18650 Input: 100 - 240V AC Package Included: 1 x Waterproof Headlamp 2 x Real 2200MA 18650 Rechargeable battery 1 X AC/Charger 1 x Car Charger Please Notes: 1.Please allow slight dimension difference due to different manual measurement. 2.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you