Sofirn HS21 is a T-shape headlamp designed with multi-light sources. Equipped with 10 emitters that provides flood light, spot light and red light. It has a rotary switch for easy light source adjustment and is equipped with a buck driver to ensure its stability. Add an infrared sensor, a single wave can change its brightness. Features - 1. Versatile Triple Output - HS21 is equipped with spotlight, floodlight and red light. Besides, the spotlight and floodlight can be on at the same time, which makes it a nice headlamp for any outdoor activities such as hiking, fishing, biking and camping. 2.High-Performance LEDs - The HS21 comes with 1 * SFT40 6000K-6500K LED, which the longest distance reaches 230 meters, while the design of the buck driver makes it more popular with the public. 3. Hand Wave Control - You can easily adjust the brightness by waving your hand toward the infrared sensor. Whether you're wearing gloves, have dirty hands, or find yourself in any other situation, it remains simple to operate. 4. Convenient Rotary Switch - The rotary switch makes it very convenient and easy to switch from different lights, even for old people or flashlight newbies. A very thoughtful gift for your friends or families who just start to explore outdoor activities. 5. USB-C Rechargeable - You can charge HS21 via a charger, powerbank or even a laptop. If you have spare batteries, you can also unscrew the cap to replace the battery. So you can enjoy the outdoors without worrying about running out of battery. Specifications 1.Emitter - 1 * SFT40 6000K-6500K LED, 6 * CSP1919 5000K LEDs , 3 * HFL1-R red LEDs 2.Driver - buck driver 3.Battery Option - 1*18650 battery 4.Working Voltage - 3V-4.2V 5.Mode Operation - rotary switch, button and infrared switch 6.USB Type-C charging 7.Material - AL6061-T6 aluminium alloy 8.Size - 35.7*45.75*86.5mm 9.Weight - 87g(without battery)