1. There are two illumination modes, one is the long light mode and the other is the gesture sensing mode. In the sensing mode, you can turn on the lights or turn off the lights with a wave of your hand. 2.The irradiation range is 2.30 , and it is bright within 10 . Light weight, easy to carry, with USB interface, easy to charge. 3. The Head Light Lamp can display the power of the Head Light Lamp in time, and it will display four levels: 100%, 75%, 50% and 25%, so you can know the power at any time. 4. Overcharge protection design, full of automatic power off. It can rotate at 180 degrees and has a wide irradiation range. 5. Clip-on design, which can be clipped in a hat or coat, or used when a bicycle at night, is suitable for outdoor activities, such as fishing, camping, rock climbing, traveling, etc., and can also be used as a working light for repairing or other work. Power mode: built-in rechargeable lithium- battery Charging input: 5V USB interface Charging time: 2 hours Irradiation time: 6-12 hours Lamp beads: 6 Irradiation range: 30m Sensing range: 25cm Material: plastic colour: black Package Contents: 1 x headlights 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.