Live a better quality of life, make every place in your home full of happiness, quality home, Jiadiru is constantly working hard, a better life, there is always what you want. Specification:Item Type: Fingerprint LockMaterial: Zinc AlloyColor: As shown in the pictureSize: Approx. 4.5x5.5x3.4cm / 1.8x2.2x1.3in Weight: Approx.129g/4.6ozBattery Type: 3.7V lithium battery(Built-in)Battery Model: 402025Battery Capacity: 150 mAhFingerprint Capacity: 20False Rejection Rate: <2%Application: Cabinet doors, drawers, etc. Package List:1 x Lock1 x For Android Data Cable1 x Instruction Manual Note:1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.