With our rechargeable headlamp you can have a reliable, hands-free light to brighten up your environment, leaving you free to work, read and explore whenever and wherever you want. Specifications: Material: ABS & aluminium alloy Input: AC110-220V, 50-60Hz Wattage: 5W Adapter: US plug Luminous: 300lm Light color: white Lighting mode: high/low Charge time: 6-8h Work time: 4-8h Lighting ranges: 500-800m Protect rate: IPX4 Batterys: built-in 2 * 3.7V 1800mAh 18650 batterys Light size: 80 * 85 * 55mm / 3.15 * 3.35 * 2.17in Package weight: 240g / 8.47ounce Package size: 110 * 95 * 90mm / 4.33 * 3.74 * 3.54in Notes: 1. Please allow 1-10mm error due to manual measurement, thanks for your understanding! 2. Please pay attention that the adapter is US plug with AC110-220V voltage. Packing List: 1 * Headlight 1 * Adapter