The compact design of this bicycle alarm is immediately noticeable. Because alarms are so compact, bike thieves usually don't see them too quickly. The best anti-theft protection, the alarm will sound at the lightest touch (7 sensitivity settings) with a loudness of 110 dB (3 loudness levels) It is best if this bicycle alarm is waterproof. Multifunctional Bicycle Alarm: This alarm is suitable for all types of bicycles, also suitable for scooters and motorcycles. In addition, some customers use our door and window alarms. We even have a Danish customer who uses it on his jet ski. Specification: 3 loudness levels: 70, 90, 110 dB 7 different sensitivity settings Wireless range: 50-70 meters Waterproof (IP65) Excellent operation advantage: Versatile alarm system to protect your bikes and scooters. Easy to install and use. Includes a loud siren to deter thieves. Can be used in conjunction with a padlock for added security. The waterproof design allows you to use the alarm system in different weather conditions. Equipped with motion sensors that trigger an alarm immediately in the event of unauthorized movement. Includes a remote control with which you can easily turn the alarm system on and off. It's battery powered and has a long life, so you don't have to constantly recharge your alarm system.