[USB Rechargeable]:1000mAh built-in rechargeable battery,no need to change dry batteries again,You can charge the light lamp through the USB input port and the attached USB charging cable.It may hours to fully charge.The package includes a USB charging line. [3 Modes&Warning Light]:3 light modes of brightness,COB High Mode, COB Low Mode,COB Strobe Mode,red LED lamp on the rear to indicate safety warning.Press the red button on the battery compartment, light lamp and red safety taillight will light up at the same time.Providing optimal lighting for any situation. [Super Brightness Wide Angle]:240wide area illumination wide beam light lamp lights up your surroundings. light lamp adopts COB with 500 output as its ,you needn't move headlight to illuminate the desired area. [Waterproof & ]:Utilizing high performance waterproof of IPX4 level,whenever you wear the light lamp outdoors,you wouldn't need to worry if it unexpectedly,which is super to wear,breathable,expandable band,with breathable and sweat absorbable elastic band,adjustable,you can adjust the size to suit you according to the size of your ,make your get the most comfortable condition.Can be folded,easy to carry. [Widely Used]:The COB bright headlight,for outdoor sports such as night walks,running,cycling,hiking,caving,camping,reading,climbing,boating,mining,dog walking,fishing,hardhat,helmet,riding,night walking,mountaineering,fishing,hunting,car repairing,DIY works or any emergency situation such as fire,hurricane,snow,storm,black out or power,you can rest to use in rainy and days. Material:ABS colour:Photo Color Package Contents: 3 * Headlights 3 * charging cable 12 * Snap Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.