FIVE REASONS TO CHOOSE 2019 HEADLAMP: 1,MOST SAFE Headlamp: newest plastic materials provide thick battery case, won’t be hot! more safe. 2,MOST EASY Rechargeable headlight: Charging with USB cable, do not need install the batteries by yourself, just 8 hours charging time offer 5.5 hours Strong light exposure at full power lasting! 3, IPX4 Waterproof LED Headlamp: Rated to IPX4 waterproof rating, it can be safely used even when it is raining. It has high quality, leakproof and waterproof wiring to ensure that your light is still on even when the rain is saturated. 4, Including All Headlamp Features: anti-drop and durable, 360 degree rotation focusing, astigmatism (large illumination range), strong light (long distance illumination) Conversion of three light modes, easy to carry. 5, Convenient Customer Service: refund full money within 60days, 24 months products warranty, all life Customer Service. If you have any questions or problems, please feel free to contact us, we will try our best to help u to solve it in anytime! specification: 1. Power: 10W 2. Lighting range: 200~500M 3. Light color: white 4. Adapter: Micro USB cable 5. Battery(included): Built-in 18650 lithium battery 4400 mAh 6. Material: Aluminum Alloy & ABS 7. Net weight: 263g 8. Gross weight: 370 9. Packing size: 13.3*12.1*7.8 10. Input: 5V Operation Notices: 1: The indicator light is red when charging, full of green light Strong light exposure at full power lasts for five and a half hours. 2:This product needs to be recharged every three months without being used, so as to avoid damage to the battery and render it unusable.