A. This bicycle remote control alarm is a considerate anti-theft device for bicycles. It is made of plastic, light in weight and durable, and can well adapt to various mountain bikes and ordinary bicycles. B. It has a wireless remote control function, which is very convenient to operate, allowing you to easily control the anti-theft state of the bicycle. Once the bicycle is touched or vibrated, the alarm will quickly sound an alarm, effectively deterring thieves and providing reliable safety protection for your beloved bicycle. C. This alarm has a simple design. While ensuring functionality, it also has a certain aesthetic appeal and can be perfectly matched with bicycles of different styles. In addition, it is designed with a universal size, which has wide applicability and can be easily installed and used on any type of bicycle. D. This alarm is in stock, so you don't need to wait for a long time and can quickly have this considerate anti-theft protection. Whether for daily rides or long-distance trips, it can be a loyal guardian of your bicycle and add a sense of security to your cycling journey.