With this 50W rechargeable headlamp you can have a reliable, hands-free led super bright LED headlamp to brighten up your environment, leaving you free to work, read, and explore whenever and wherever you want. Why waste your time and money on flashlights and buying extra batteries? Whether you prefer the medium (to view close objects) or high mode (to focus on distant objects) this headlight has got you covered with its high angle adjustment. With the adjustable headband, you should be able to use this headlamp for your outdoor and indoor activities. These user-friendly headlights comfortable, light, safe and stable in use. keeps both your hands free when you?re working in the garage, on construction site, running, walking, fishing, reading or as helmet light. Easy, quick and single button press to toggle through 2 light modes: Medium/High Efficiently use only the light you need. This headlight has a long lasting battery and a LED light source. The charger has an Input Output: 4.2V 500mA.?Battery Capacity:Charge Input: 4.2V 500mAPower:50wCharge Time: 7 HoursUsing Time: 6/12 Hours(strong/weak degree