Strauss Bicycle Wireless Security Alarm Lock and Gel Seat Cover (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
High density sponge slip mat comfortable and soft, ergonomic design
Thick pad with shock absorption function and soften the riding, inner side the seat cover with gel-point, ensuring the seat does not slip after installation
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
Material: high-quality silicone