Product Name:Alarm Disc Lock 

Feature
● The sealed locks are made of durable alloy casing
● Small size and loud volume,110db Alarm voice
● Corrosion-resistant, waterproof and durable lockbody
● Lock pin size:6mm, cell battery can be changed
● Vehicle alarms are suitable for most motorcycles, bicycles, electric vehicles with disc brakes. Give your vehicle more security and prevent theft