This is a smart fingerprint lock that can be quickly unlocked without a password or key. In addition, it is compact and portable, making it ideal for use on wardrobes, suitcases, backpacks, bicycles, toolboxes, or other storage cabinets. Features: * Uses professional biometric technology to unlock quickly in 0.3 seconds. No password or key required, making operation quick and convenient. * Constructed from durable zinc alloy material, it is robust and long-lasting, suitable for high-precision applications. * Low-power design with a USB charging port, providing up to 90 days of use after a 1-hour charge. * Miniature portable design, compact and elegant, taking up minimal space and easy to carry or store. * Smart waterproof fingerprint lock, widely used for security protection in wardrobes, suitcases, bicycles, toolboxes, and more. Specifications: Model: MQ-1017 Material: Zinc alloy Colour: Red/Blue/Purple/Black (optional) Battery type: Rechargeable lithium battery Battery capacity: 110 mAh Input: DC5 V/200 mA Operating voltage: 3-4.2 V Product dimensions: 2.3 x 2.3 x 7 cm/0.91 x 2.76 inches Product Weight: 63 g/2.22 oz Package Dimensions: 15 x 8.1 x 2.7 cm/5.91 x 3.19 x 1.06 inches Package Weight: 90 g/3.17 oz Package Contents: 1 x Fingerprint Lock 1 x USB Charging Cable 1 x User Manual