Xena (XX6-SS Disc-Lock Alarm for Motorcycle, Stainless Steel Lock features pushdown locking system, 6mm steel locking pin, freeze spray-resistant key barrel Alarm features 120dB alarm, Auto arm/disarm, Replaceable alarm module, shock and movement sensors It includes 1 XENA Disc-Lock, 1 CR2 Battery, 3 Keys, 1 XENA lock tool etched with unique key code