Strauss Bicycle Wireless Security Alarm Lock and Bicycle Bottle Holder (Black) Wireless Vibration Alarm with infrared remote control,Only the user can unlock the alarm,It helps protect your bicycle well, and you don't need to worry about losing it Upgraded grip - this bottle cage is upgraded clamp with a rubber pad Expanded size - this quick release bottle cage fits for most standard-sized water bottles. 2.5 inch - 3.3 inch bottle in diameter No tool needed - the clamp of the bottle cage is designed for easy to installation and remove, no tool needed The vibrating sensor system, when the bicycle shake or vibrate, the alarm will release ultra strong alert sounds for about 20 seconds, good bicycle security anti-theft tool Effective remote control and alarm sensors 10m above the terminal, open area up to 30m,Super loud, simple to operate and easy to install