CRUXER BICYCLE ALARM: Equipped with a 3D displacement sensor inside, easily identifies any movement; through optimised special algorithms, can accurately identify theft and reduce false alarms. IP55 waterproof design, perfect for use as a burglar alarm for bicycles, scooters, motorcycles and even house windows and doors. ADJUSTABLE SENSITIVITY & VOLUME: This bike alarm offers 7 sensitivity levels, from slight movement to strong pressure, which can be adjusted according to environmental requirements. Meanwhile, the volume is also divided into three levels of 96dB, 106dB and 113dB with 3 different ring tones for your choice. EXTRA LONG LIFE & DISTANCE: This bicycle anti-theft alarm is equipped with 3 replaceable AAA batteries that last up to 1-3 months in daily use. Equipped with a remote control with super long remote distance, laboratory detection range up to 50 m/164 ft, a one-button arm/disarm function, it is easy to locate your vehicle. SOS FUNCTION: SOS emergency siren in accordance with international standards. If you accidentally fall while riding your bike and the tilt angle exceeds 45° from the original position, the alarm will automatically trigger the SOS siren. As soon as you return the bike or the alarm system to its original angle, the SOS siren will automatically turn off. (Switched off by default, must be switched on) FLEXIBLE INSTALLATION METHODS: Our bike alarm has 2 different installation methods, namely straps and double-sided adhesive tape. To meet the installation requirements of different environments, for example: the straps can be attached to any object smaller than the shrinkage area, and the double-sided adhesive tape is specially designed for mounting on smooth surfaces. (All installation and replacement tools are included in the package, you do not need to prepare them yourself) Highly sensitive theft protection: The vibration alarm detects theft attempts and triggers a 113dB loud alarm that sounds like a lion's roar and deters thieves. Long-range remote control: The alarm can be activated from up to 164 ft away using the remote control. Three ring tones make it easy to locate your bike. Easy to install & waterproof: The hidden installation makes it difficult for thieves to detect. Flexible to install and waterproof to IP65, ideal for outdoor use. SOS emergency function: The alarm activates a loud distress call at an angle of more than 45°, providing additional security in emergencies. Versatile: Perfect for bicycles, motorcycles, e-bikes, scooters and luggage. The vibration alarm reliably protects a wide variety of valuables.