USB Rechargeable -- Built-in 1000mAh Li-polymer battery provides 5 Hrs continuous power on high brightness mode, and impressive 15 Hrs on low brightness mode. Our rechargeable head torch only takes 3-4 hours for a complete recharge from any USB Port. (USB cable included) 4 Lighting Modes -- Including 3 levels of light brightness (high 160Lux, medium 80Lux, low 30Lux) and SOS flashing mode for emergency. This led headlamp is easy for you to change the brightness by single pressing the button, and long pressing 2s to switch to SOS mode. Motion Sensor & Hands-Free -- Features IR motion sensor, easily wave your hand in front of (within 10cm) the head torch to turn it off or on. Use this LED head torch instead of the handheld flashlight to keep your hands free, ideal for running, caving, biking, hunting, electrical work, auto parts repairing, and more. Comfy To Wear -- Weighs only 60g , you won't even notice you are wearing it! Perfect for long-distance users who are looking for a comfortable fit. The adjustable and stretchable strap design makes the running head torch snugly fit for both kids and adults. Waterproof & Durable -- Made with premium-grade material, IPX6 water resistance rated and impact resistance tested make it durable and weather worthy, head torch rechargeable is safe to use in rains or snows, the best companion for your outdoor activities.