Intelligent Fingerprint Door Lock Keyless Security Entry Handle Locks for Home Apartment Office Condition: Item Type: Door Lock Material: Zinc Alloy + Pure Copper Lock Core Battery Parameters: 4 x 1.5VAAA Battery (Battery Not Included) Function: Fingerprint + Key Fingerprint Capacity: 30 Groups Administrator Fingerprint: The First 3 Groups Collector: Semiconductor Acquisition Module Fingerprint Collection Time: ≤0.5 Seconds Features: With USB Emergency Charging Port USB: For Android USB Cable (Not Included) Application: Wooden Doors, Office Doors, Apartment Doors, etc. Weight: Approx. 942g / 33.2oz Product Size: Approx. 145x65mm / 5.7x2.6in Bolt Size 1: Approx. 81x60x58mm / 3.2x2.4x2.3in Bolt Size 2: Approx. 26x22x15mm / 1.0x0.9x0.6in