Check the listing for details. 113dB Bike Security Alarm 2 Hosts 1 Remote Wireless Vibration Sensor Waterproof. Color: Black, Condition: New, Made in China. Listed at 19.72 USD. About this item [Suitable for Bikes, Electric Bike, Motorcycles] [7 Levels Adjustable Sensitivity and SOS Emergency Alarm [3 Levels Adjustable Volume and IP55 Waterproof] Motorcycle bicycle anti-theft alarm has up to 113lb LOUD alarm, it also has a three-level volume adjustment function. [Wireless Remote Control ] bike security alarm wireless control by remote, strong wireless range up to 20M/66FT. Vehicle search function, easy to find your vehicles in parking lot, 3 kinds of bells for your choice（Not available in ARM mode). [Easy to Install & Use]The bike vibration alarm come with double-sided sticker and strap, which can be installed by pasting or tieing. No screws or wiring are required. The 3.7" * 1.6" * 0.8" exquisite and compact design is easy to hide and install.