Features 1??Multiple door opening methods, you can use fingerprint, IC card, password, mechanical key, mobile APP to open the door. 2??Supports for Tuya. It can be remotely unlocked by connecting to the phone via WiFi, and you can view the unlocking history through the APP. 3??You can view the unlocking history through the APP and learn about the use of door locks in time. 4??Advanced fingerprint recognition, non?contact card and password, with multiple door opening modes to choose from, combined unlocking, more secure and convenient. 5??The addition and deletion of fingerprints and passwords are managed based on the unlock number. 6??When you forget to replace the battery and cannot open the door, USB emergency power can help you. 7??Intelligent voice navigation, human?computer interaction, and humanized operation. 8??Virtual password design, you can add multiple wrong passwords before / after entering the correct password, press # to confirm the lock. (You can enter up to 16 digits.) 9??Prevent others from peeking at the password, perform self?test at startup, intelligent identification, and fast selection, such as fingerprint + password or credit card + password. 10??The door lock module is waterproof, moisture?proof, and mildew?proof. It has been tested for high and low temperature, vibration, aging, etc. to adapt to harsh environments. Specification Condition: Item Type: Smart Door Lock Material: Zinc Alloy Color: As Pictures Shown Unlock Method: Fingerprint, IC Card, Password, Mechanical Key, APP Battery: 4.5V-6.5V (4 x AAA Dry Batteries) (Not Included) Typical quiescent current: <50 microamps (battery life can exceed one year) Working current: <250 mA (strong driving ability) Number of administrators: 9 groups Number of fingerprints: 110 Fingerprint + password + card: 300 groups Resolution: 500DPI Rejection rate: ??0.1% Error rate: ??0.0001% Card type: 13.56MHz, IC card Emergency power: 5VDC Password length: 6-8 digits Virtual password: 16 digits Low voltage alarm voltage: 4.8 ?? 0.2V Unlock time: ??1S Working temperature: -10 ?? C-60 ?? C Relative humidity: 20% -93% Package List 1 x Front Lock Plate 1 x Rear Lock Plate 2 x Rubber Mounting Plate 1 x Double Tongue Clavicle 1 x Lock Box 1 x Lock 1 x Screw Bag 1 x Mounting Hole Diagram 1 x Description 2 x Mechanical Keys 2 x Access Cards 1 x Package Mounting Accessories