Feature 1 WATERPROOF AND DURABLE: Door lock module is waterproof. After high and low temperature test, vibration resistance, aging resistance, adapt to harsh environment 2 WIFI REMOTE CONTROL: Support for Tuya function, can connect to the phone through WiFi, remote unlock 3 SUPPORT APP CONNECTION: You can view the unlocking record through APP to know the usage of the lock in time 4 INTELLIGENT PREVENT THEFT: Prevent others from peeping password, boot self test, intelligent identification, quick selection, such as fingerprint and password or card and password 5 USB POWER SUPPORT: When you forget to replace the battery and cannot open the door, USB emergency power can help youItem Type: Smart Door LockSupport Wireless Network Protocol: WIFI 2.4GHzInner 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 List1 x Door Lock Fingerprint Panel1 x Inner Lock1 x Inner Lock Corresponding Accessory1 x User Manual1 x Key Cylinder2 x Key2 x Smart Card Key4 x Long Screw8 x Short Screw1 x Screw Fitting