Large Capacity, Fast Identification: This Drawer Furniture Lock can store up to 20 fingerprints, providing fast identification and unlocking. Multi-purpose Use: The Biometric Fingerprint Lock is ideal for various types of cabinets, such as chests of drawers, mailbox cabinets, offices, cupboards, storage bins, and metal cabinets, making it a suitable choice for home and office use. Durable Material: This Furniture Cabinet Lock is made of zinc alloy, which is strong and durable, ensuring reliable performance. Product Size: The diameter of the lock surface is 35mm, and the size of the lock core is 30mm. It is suitable for wood boards less than 28mm thick and designed for single door use. Package Included: Each package includes one fingerprint drawer lock and one charging cable, providing everything needed to help protect your belongings. Specification: Powered by lithium battery, it offers long-lasting performance on a single charge. Size Chart: Lock surface diameter: 3.5cm / 1.38 inches Lock core size: 3cm / 1.18 inches Suitable for wooden boards up to 2.8cm / 1.10 inches thick For single door use Package Includes: 1 x Drawer Furniture Lock 1 x Charging Cable Note: Please allow slight variations due to manual measurement and differences in display monitors.