Single Battery Powered Drive & Battery Indicator Design: Head lamps with battery indicator light, when the key button changes from green to red, means needs to be charged. Single battery drive design, during outdoor activities, it can effectively prevent battery loss or other unexpected events, prolong the use of lighting, and allow you to fully enjoy the hunting, hiking, running, night fishing, camping and walking.No Standalone lithium batteries are sold with the productLong Press Function and Motion Sensor Design: Unlike the old version headlamps, the new head lamp has added a long press function, in any mode, if you hold the key mode button for 3 seconds, you can turn off the light directly, no longer need to cycle all modes.In addition,it also added motion sensor function mode, you can easily turn the lights ON/OFF by waving your hand, which is more convenient and avoids soiling the headlamp when you hand is dirty or the environment is harsh.Super Bright and Meet Various Situations Lighting Mode: The head light uses 8pcs class-leading LED chips that has the maximum brightness of 2000 lumens,easily light up an entire tent and road, with 16 different working models for your choose,include high,low,red light and SOS strobe,ensure that you can receive stable lighting in any environment,provide you with courage and protection during the adventure process.IPX4 Waterproof Adjustable Hand-Free Headlamp Flashlight: The headlamp's has IPX4 waterproof rate. The high-quality shell is more sealed and leak-proof, which is suitable for rain or snow,hands free design help release your hands and make it easy for you to step, can be adjusted 90 and illuminate an area up to 500 meters ahead,leaving you free to explore whenever and wherever you want.USB C Headlamp Rechargeable & Red Light Warning Light: The head lights for forehead matched USB C cable, 4 hour fully charge provides 10 hours of continuous lighting time,the red light warning light with two mode design (full brightness and flashing),can emergency evacuation and response during nighttime travel.