Feature: 1.Super Bright XHP99 High-power Bulbs: The lighting distance can reach 350 meters. At night, it can easily illuminate a small hillside. 2.Telescopic Zoom Design: The head is stretched to zoom, suitable for short-distance and long-distance lighting. 3.Elastic Webbing: The adjustable elastic webbing is breathable and sweat-absorbent. It is made of thick silicone pad and is comfortable to wear. 4.Red and Blue Warning Taillights: There are red and blue warning lights at the tail, which can be used as a warning when it is turned on. 5.Power Output: Supports power output, which can charge your other devices. Specification: Type: LED Headlight Light Bulb: XHP99 Material: aluminum alloy Power Supply: 2 3.7V 18650 lithium battery Lighting Mode: front light-low light / strong light / strobe / SOS; tail light-red and blue flashing alternately Waterproof Grade: IP65 Lighting Distance: about 300-350 meters Charging Method: Type-C charging cable charging Power Output: 5V-1A Package Included: 1 LED Headlight 1 USB Charging Cable 2 3.7V 18650 lithium battery 1 Buckle Kelvenix Super Bright Head Torch Headlight USB Rechargeable Headlamp in Black