FIVE LEVELS IN ONE ADJUSTMENT Light source switch with one keyINGENIOUS DETACHABLE LAMP HOLDER The clamp and the bracket are concave-convex fitted, Just like one body,stable and reliable;With the help of the elastic characteristics of the clip,it can be easily disassembled with a "click"POCKRT-SIZE ONE HAND OPERATION Easy to take,one tail button for all operationOUTDOOR LASTING WATERPROOF HEADLIGHTS Suitable for all-weather use