Made of high quality metal that proides corrosion protection, wear resistance, durability and durability. Easy and conenient to install and suitable for locking the bike.Use the highly sensitie defense probe, microcomputer control, high reliability, high sensitiity and highest security. In alarm situations, it is precisely triggered by intruders.Specially designed for the bike, install it to ensure the safety of your bike. Mini appearance, it's conenient to take anywhere. ibration, disassembly triggers alarm at 110 dB noise to preent thiees or burglary.Press the "Locking" button and the alarm system will start after a beep. In this case, the alarm is triggered when ibrations occur. To stop the alarm system, simply press the Unlock button. The alarm system stops working after 2 beeps. Then you can ride a bike. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store