Feature: 1. Autonomous and flexible normally open mode selection, can set normally open time. 2. Support confusion password function, effectively preventing others from peeping, add more security. 3. Support attendance function, it can realize simple auxiliary attendance, support fingerprint, password, IC card, mobile APP, NFC unlock. 4. Support TTLOCK APP, APP supports more than 20 mainstream languages, and you can view unlock records by it. 5. Support for Bluetooth 4.1BLE standard, can achieve remote control Bluetooth unlock, easy to install. Specification: Item Type: Smart Door Lock Material: AlloyUnlocking Method: Fingerprint, password, IC card, mobile APP, NFCStorage Capacity:Fingerprint: 100 Password: 150 IC Card: 200 Mobile APP Users: UnlimitedFingerprint Recognition Speed: <1s Fingerprint Comparison Method: 1:1/1: N Fingerprint Recognition Rate: <0.001% Fingerprint Rejection Rate: <1% Power Supply Mode: 4Pcs AA Battery (Not Included) Working Temperature: -20-50℃ Working Humidity: 10-95%Suitable Door Type: Suitable for glass door/wood door/metal door/others (not suitable for sliding door)Voice Prompt: Chinese/EnglishHow to Use:1. Download TTLOCK2. Open TTLOCK3. Connect to the TTLOCK gateway (users need to purchase the gateway by themselves)4. You can use TTLOCK to unlock. Package List: 1 x Lock Body 1 x Lock Auxiliary Body1 x Main Lock Fixing Plate1 x Auxiliary Lock Fixing Plate2 x IC Card1 x Manual