Lightweight and comfortable headlamp is made of ABS and soft silicone with elasticity and tension. The product weighs only 81 grams. Even if you wear the headlamp for a long time, you will not feel cumbersome. Featured stall function mode Range distance of 100 meters, 10 kinds of light stall mode ( double click in any mode to start the flashing mode ). Head lamp has a characteristic with memory function, any gear stop 3 seconds after locking, and then press to turn off the light. Motion sensor mode LED headlight is equipped with an intelligent sensor, when the sensor function switch on, you just need to wave your hand within the sensor function, you can easily and quickly switch on/off by waving your hand. Rechargeable front light : Placement of 1000 mAh battery, 3.3V or more green light on for 5 seconds and then off, below 3.2V red light flashing, below 2.7V red light off. Red light when charging, green light when fully charged. Waterproof for multiple scenarios : When it suddenly rains or snows outside, you don't need to worry about the headband light, the IPX4 waterproof rating ensures that water splashed from all angles can be used normal