Disk Brake Anti-Theft Alarm Lock"Holy crap, that is WAY louder than I expected. Ouch." the employees who had to open this product and test it to make sure it worked. With motorcycle theft at an all time high, make sure those thieves steal someone else's bike, not yours! We're not kidding, this thing screams like a banshee when triggered. Features: 7mm lock pin 110dB alarm Waterproof Movement shock sensor What's in the box: Disc lock Two keys Alan key to access the battery