Introducing the KOVIX KCL12-150 Chain Lock with Alarm, a highly secure and advanced motorcycle lock: Emits a piercing 120 dB alarm sound for maximum deterrence. Features a robust body made of hardened steel for exceptional strength. Equipped with a long-lasting CR2 lithium battery for extended use. Incorporates a weatherproof and waterproof mechanism for reliable performance in all conditions. Utilizes a stainless steel lock cylinder for enhanced durability. Includes a hardened 12mm cast steel chain for added protection. Reinforced cylinder lock mechanism ensures optimal security. Offers a generous chain length of 150 cm for versatile securing options. Comes with a convenient carrying case and spare keys for convenience.