EXTRA LONG ELASTIC HEADBAND -Adjustable headband length,Can be worn on the chest or around the waist,Lightweight (80g), compact.Perfect for camping, running, cycling, reading, repairing, outdoor, etc.MOTION SENSOR:After pressing the motion sensor button, wave your hand within 10 cm of the headlamp to turn the white light on or off, which can be activated at any time according to your needs. If you want to turn off the sensing function, just press the motion sensor button again. Moreover, the head has a 45 swivel ability, rotate it to shine literally any direction you want, it's very convenient for daily use.LONG RUNTIME:Built-in 1200 mAh rechargeable polymer lithium-ion battery, which can run continuously for 2.5 hours in high mode, and can run for longer in low mode.Up to 10 hours runtime in white light, and 2.5 hours on high brightness. Red light is more energy saving.WATER PROOF AND DURABLE - Reinforced body with an IPX4 water resistance rating. Can survive heavy rain and any impact in common outdoor activities and work conditions.If you are not satisfied with the product or have any questions, please feel free to contact us, our after-sales service specialists will properly solve your problem!