Description
Product Overview
The Fosmon Bike Alarm is a high-performance anti-theft device designed to secure bicycles, e-bikes, scooters, and motorcycles. It features a powerful 113dB loud siren triggered by vibration or movement, with 7 adjustable sensitivity levels and 3 volume settings to customize protection. Constructed with durable materials, this waterproof alarm includes a remote control for easy arming and disarming, and it can pair with up to 8 remotes. Specifications include a compact design for discreet mounting, making it ideal for outdoor and urban environments where theft is a concern.

Usage
This alarm is perfect for cyclists, commuters, and outdoor enthusiasts who need reliable security for their vehicles. Use it on bicycles parked in public areas, e-bikes stored in garages, or scooters left unattended during errands. It’s also suitable for trailers, luggage, and fences, providing added peace of mind in high-theft zones like city streets, campuses, and parks. The SOS function detects accidents by sensing tilts over 45 degrees, making it useful for emergency situations during rides.
Why Choose Us
Fosmon prioritizes quality and user safety with this alarm, offering superior craftsmanship and rigorous testing for durability and performance. Unlike generic alarms, it combines loud sound output with precise vibration sensing, ensuring quick response to potential threats. The versatile installation options and multi-purpose use provide exceptional value, backed by a reputation for reliable security products that meet diverse customer needs.
Key Features
- 113dB super loud alarm triggered by vibration for effective theft deterrence
- 7 adjustable sensitivity levels and 3 volume settings to suit different environments
- SOS function detects accidents by monitoring vehicle tilt over 45 degrees
- Easy setup with adhesive or zip ties for flexible mounting on various surfaces
- Waterproof design and compatibility with up to 8 remotes for extended security
FAQ
How do I install the Fosmon Bike Alarm?
Clean the mounting surface and apply the provided double-sided adhesive or use zip ties with the brackets on the alarm’s back. Ensure it’s firmly attached to avoid false alarms.
What vehicles can this alarm be used on?
It works on bicycles, e-bikes, scooters, motorcycles, trailers, luggage, and fences, offering versatile anti-theft protection.
How does the SOS function work?
If the vehicle tilts more than 45 degrees from its original position, the alarm emits a beeping sound to signal for help in case of an accident.
Can I adjust the alarm sensitivity?
Yes, the alarm has 7 sensitivity levels that can be manually set via the remote to reduce false triggers in windy or busy areas.
Is the alarm waterproof?
Yes, it is designed to be waterproof, making it suitable for outdoor use in various weather conditions without damage.







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