OverviewHighDecibel Alarm Equipped with a builtin movementtriggered alarm that emits a loud 110dB sound when hit or shaken ensuring enhanced security and instant deterrence Robust AntiTheft Design Features a heatprocessed hardened latch that is resistant to cutting abrasion and rust with a durable 039inch round core diameter and 17inch latch height Dual Locking Modes Easily switch between mechanical lock and alarm lock modes by adjusting the latch direction providing flexibility based on your security needs Smart Alarm Mechanism Low false alarm rate with a unique vibration alert systembeeps twice on the first vibration and continues with a loud alarm for 11 seconds upon further tampering Versatile Applications Ideal for securing doors windows bicycles motorcycles tricycles containers garden gates and pull gates offering universal security solutions Energy Efficient Operates with low power consumption using 6 AG13 button batteries ensuring longlasting performance Complete Package Includes 1 alarm lock 3 sturdy keys and 6 AG13 button batteries for easy setup and operation