X7 is a split design bicycle headlight. It adopts German-style optical design, clear light and dark cut-off line, anti-glare, the head is made of aluminum alloy, and the built-in high-precision temperature control chip is used to stop riding and light up for a long time., Automatic constant temperature adjustment to prevent the lamp body from overheating. Split design, detachable and replacement of batteries, long-distance riding, only a few 18650 batteries need to be prepared, the formal assembly also supports the hoisting method, and the GOpro installation method is adopted, which has high versatility and simple installation method. It can be matched with a variety of models, mainly used in mountain bikes, road bikes, student bikes, children's bikes, urban commuter bikes, etc.