Feature: 1. SMART SENSOR: Possess powerful functions, red and white dual light sources, lamp head angle adjustable, provide hand wave sensor headlamp function, large capacity battery support USB smart charging to meet the lighting needs of different scenarios 2. EASY TO START AND SWITCH: A variety of lighting modes, you can switch at will, smart multi function switch is easy to start, long press for a second to switch to induction mode, and wave your hand to control the light switch 3. ADJUSTABLE HEADBAND FOR DIFFERENT PEOPLE: Come with adjustable headband, suitable for people with different head circumferences, convenient and practical 4. USB RECHARGEABLE: USB charging can be used with mobile phone charging head, mobile power supply, notebook computer, etc. 5. FOR OUTDOOR USE: Mini and portable, easy to use, waterproof in life, no fear of wind and rain. Suitable for adventure, night running, camping, maintenance, hiking, etc. Lightweight smart headlight liberates your hands Specification: Item Type: LED Headlamp Voltage: 5V Battery: Built in one 18650 lithium battery, capacity 1200MAH Material: ABS Function: Strong light; weak light; burst flash, press and hold for 2 seconds, switch to induction mode, with power display Product Size(WxTxH): Approx. 102 x 91 x 57mm / 4.02 x 3.58 x 2.24in Weight: 188 g / 6.6 oz(approx.). Package List: 1 x Headlight1 x Headband1 x USB Cable