Sensor control This waterproof LED headlight not only has a manual switch, but also has a different sensor mode. In sensor mode, the headlight turns on automatically when objects are detected. You can control it by waving your hand or wipe it The detection function is more sensitive if you shake your hands within 5 to 15 cm from your forehead, the detection angle is 120 degrees. Explosion-proof design and rechargeable USB Explosion-proof polymer lithium battery technology and Japanese protection battery board instead of AAA battery. The LED headlights can be charged using the supplied USB cable, you never have to buy a battery. The batteries can remain fully charged for up to 5-6 hours. With a lifespan of up to 100,000 hours or more. So you don't have to worry about the batteries running out quickly. 90o adjustable and zoomable head You can swivel the head 90o downwards to avoid cracks and obstacles. You can change the focus from wide lighting to narrow, long range lighting. Friendly design and multiple use Our LED lenser headlight is made of ABS material and an aluminum alloy. Weighing only 230 grams, the LED headlight is very light and comfortable to wear. With the practical adjustable belt, it fits any size and can be worn by anyone. Waterproof and Durable Don't worry about rainy days outdoors. With the anti-slip switch and waterproof IP65 function, you can always use it normally. Suitable for camping, hiking, running, fishing, hunting, climbing, hiking, jogging, reading and all indoor and outdoor activities.