Hands-free Motion Sensor ControlFeatures an IR motion sensor with a 4inch/10cm sensoring range, you can simply wave your hand in front of the LED head torch to turn it off or on when your hands are occupied with anything else.Long-lasting USB Rechargeable BatteryBuilt-in 1200mAh Li-polymer battery. This rechargeable head torch can be fully recharged in 3-4 hours and has a maximum burn time of 15 hours on low mode and 5 consecutive hours on high mode. Super Bright and 4 Lighting ModesFour various lighting options: high (500 lumens), medium (200 lumens), low (100 lumens), and SOS strobe mode in an emergency. Simply press the mode button to dim or brighten, and long press for 2s to switch to SOS mode.IPX6 Waterproof & Tiltable Built to conquer all weather conditions, from extreme heat to bone-chilling cold, our running head torch was tested to survive in heavy rains and snows. 45 tilt adjustment makes it ideal for night hiking, trail running, and camping.Compat & Comfortable2.1-ounce weight is definitely a great point for runners because its barely noticeable on your head. This headlamp is perfect for long-distance users who are looking for a comfortable fit. Adjustable and stretchable strap snugly fits for both kids and adults.