SSM Mart SSM Mart Multi Purpose Heavy Duty Anti Theft Burglar Pad Lock Alarm Security Siren for Home Office Bike Bicycle Shop Black

Universal Alarm Padlock 110db Siren Heavy Duty Security Alarm Lock for Bicycle Motorcycle Door Gate Bike Shed Bolt Chain Lock 110 dB Alarm 17mm Shackle Diameter Anticut Corrosion Resistant Waterproof Hot Processed and Hardened Shackle Suitable for all weather conditions Good to have one for your bike or gate Two setting one with alarm the other without 105110 db alarm that sounds when tampered Shake shock move or vibrate sensor Can be used on door window bicycle container motor bike tricycle pull gate garden etc Combines locking function with alarming function Builtin movement triggered alarm which can emit loud sound when the lock is hit or shaken Adopts MCU core procedures hightech integrated circuit and digital sensor chip