Hendun Bike Alarm Waterproof with Remote

The waterproof upgraded bike alarm with help save you from losing your bike. Once your bike is moved or shaken, the Hendun upgraded bike alarm vibration will sound 113db, enough to frighten and deter thieves.  It's easy and simple to set up with the multivariable multi-purpose remote control, with no wiring or screws. It can also be used as a home door and window vibration sensor alarm to prevent thieves.    Specifications:  The alarm uses 3 AAA alkaline batteries (included) on standby for 6-10 months. Remote uses a 12V/27A alkaline battery (included) on standby for over one year. Wireless range: 10-20 meters Working environment temperature: -20~60 degrees Alarm dimensions: 95mm x 42mm x 21mm Remote dimensions: 58mm x 28mm x 11mm   Features SUPER LOUD 113DB - Vibration triggering a loud alarm to scare away thieves. Prevent Robbery and Door Prying. ADJUSTABLE SENSITIVITY - High sensitive vibration sensor, seven levels from gentle touch to push or beat. Adjustable volume. EASY OPER