1、Secure and Reliable: Utilizes advanced fingerprint lock technology for enhanced home security and protection, dependable and reliable. 2、User Friendly: Supports Bluetooth and WiFi wireless connectivity, allowing you to control the lock's unlocking method through your smartphone. 3、Multiple Authentication Methods: Offers both fingerprint and IC card unlocking options, ensuring the safety of your family members and valuable belongings. 4、Intelligent Management: Enables remote management of the lock through for Tuya WiFi application, allowing you to view unlocking records and set permissions. 5、Exquisite Design: Designed for Tuya home, the lock boasts a modern and elegant appearance, adding a touch of fashion to your home decoration. Item Type: Bluetooth Smart Lock Material: Semiconductors and stainless steel Product Size: Approx. 25x14x13cm/9.84x5.51x5.11in Battery Type: Lithium battery x4 (Shipped without batteries) Battery Model: AAA battery 1 x Outside Door Lock 1 x Inside Door Lock 1 x Lock Core 2 x IC Card 2 x Key 2 x Accessories 7 x Screw 3 x Screw Accessories 1 x User Manual 1 x Dimension Drawing