ITEM NAME:Bicycle Alarm Anti-Theft Lock Mountain Bike Wireless Remote Control Passwor E8M8 Bicycle Alarm Anti-Theft Lock Mountain Bike Wireless Remote Control Passwor E8M8 Perfectly protect y.1 bicycle alarm lock (without battery). How to use: Press the red a button, the arming will beep; press the b button to cancel the gray, theft will beep twice. It protects your bike well, you don't need to worry about losing it.
