Urban Security UR10 motorcycle / Bike Alarm Disc Lock 10 mm / 120 dB Alarm / Water Resistant with Reminder cable Pin diameter - 10 mm - Double locking mechanism 120 dB anti-theft alarm powered by a single CR2 Lithium battery, included pouch, 3 laser keys, Allen keys and battery. Triple Security Function: Maximum level of security homologated Lock / Warning / Alarm. Water resistant IP67: The most resistant to the water thanks to its electronic module hermetically sealed. Made in Europe with the most advance technology. Warranty - 2 years for manufacturing defects