230 deg wide lighting: high quality COB layout, the spotlight has 230 deg wide lighting, no need to move your head often to illuminate the area you need. USB Rechargeable: Built-in USB charging port. The rear light will come on while charging. All lights are on, fully charged, and it only takes three hours to fully charge the headlights.4 speed adjustment: two light modes, COB 1st gear low light, COB 2nd gear high brightness, 3rd gear red light always on, 4th gear red light flashing. Click: low light; Double click: high light; Long press: red light; Then click: flash. Comfortable and Adjustable: Helmet headlight only 61g, the shoulder straps are made of high-quality elastic bands, the size can be adjusted freely, flexible, comfortable and not delicate on the head. Waterproof Waterproof: The headlights are widely used in camping, running, homework, fishing, cycling, etc. waterproof headlight, can work in rainy days, please use it with confidence. Specification: Material: Plastic Package Weight: approx.105g Color: Black/White Size: approx.14.5x3.1x2.8cm/5.70x1.22x1.10inPackage Included: 1pc x ReflectorNote: Please allow 1-2cm error due to manual measurement. Make sure you don't mind before you bid. Due to the difference between the different