Universal Lock Cylinder Solution

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MS40 Bluetooth Fingerprint and Password Door Lock


The MS40 Smart Door Lock Cylinder is a universal lock cylinder solution featuring an adjustable length design, compatible with various thicknesses of residential security doors, solid wood doors, wrought iron doors, and other standard door types. This product integrates four unlocking modes: Bluetooth connectivity, fingerprint recognition, password entry, and mechanical key access. It supports remote authorization, usage history tracking, and multi-user permission management via a dedicated app. The lock core body is crafted from high-strength aluminum alloy through precision machining, delivering superior resistance to prying, sawing, and wear. Its operating temperature range spans -20°C to 70°C, ensuring stable performance across diverse environmental conditions. Equipped with a built-in 300mAh rechargeable lithium battery, it delivers over 6 months of battery life under normal usage frequency and offers convenient charging via a Type-C interface. This product provides users with a secure, reliable, adaptable, and intelligent door lock upgrade solution.