Features NTELLIGENT PREVENT THEFT: Prevent others from peeping password, boot self test, intelligent identification, quick selection, such as fingerprint and password or card and password WIFI REMOTE CONTROL: Support for Tuya function, can connect to the phone through WiFi, remote unlock WATERPROOF AND DURABLE: Door lock module is waterproof. After high and low temperature test, vibration resistance, aging resistance, adapt to harsh environmentI SUPPORT APP CONNECTION: You can view the unlocking record through APP to know the usage of the lock in time USB POWER SUPPORT: When you forget to replace the battery and cannot open the door, USB emergency power can help you Specification: Item Type: Smart Door Lock Support Wireless Network Protocol: WIFI 2.4GHz Inner Lock: 4 x AA battery(not included) Features: Password, smart card, fingerprint, key and other unlocking methods, especially app remote unlocking, more convenient, all unlocking methods work with each other without interference Package List: 1 x Door Lock Fingerprint Panel 1 x Inner Lock 1 x Inner Lock Corresponding Accessory 1 x User Manual 1 x Key Cylinder 2 x Key 2 x Smart Card Key 4 x Long Screw 8 x Short Screw 1 x Screw Fitting Package List 1 x Door Lock Fingerprint Panel 1 x Inner Lock 1 x Inner Lock Corresponding Accessory 1 x User Manual 1 x Key Cylinder 2 x Key 2 x Smart Card Key 4 x Long Screw 8 x Short Screw 1 x Screw Fitting