Strauss Bicycle Wireless Security Alarm Lock and Bicyle Repair Toolkit 16 in 1 multi-function motorcycle bicycle mechanic repair tool kit with portable and compact screwdriver nut driver for any emergency During your cycling and must-have regular maintenance and emergency repair tool for bicycle/motorcycle enthusiasts It is a nice little repair kit while has everything you need to get you bicycle back on the road 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 Sturdy it is made of high quality stainless steel, durable, convenient and high functional, perfect accessories for general bike repairing 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