This is the loudest motorcycle disclock I could find, so great if you need some noise.
* Push - Down Locking System, 7mm Locking Pin
* 140 dB Alarm, Auto Arm/Disarm, Anti-bumper prevents Scratching
* Ice-Spray Proof, Weather Proof Electronics, Movement & Shock Sensor
* Corrosion Resistant / 5 Years Product Warranty
* One Free Set of Batteries with Each Lock / Original Alarmed Padlock Company - Kabrus