– Functionality: The module is designed to retrofit existing door locks, transforming them into smart locks. It connects to your smartphone via Bluetooth, allowing you to control the lock remotely. When installed, it enables various unlocking methods, such as mobile app access, RFID cards, PIN codes, fingerprints, and traditional keys.

– Installation: The circuit board fits inside the lock mechanism, replacing the standard mechanical components. It interfaces with the lock’s existing hardware, enabling electronic control. Wiring connections are straightforward, and power is typically supplied by batteries.

– Convenience and Security: Use the app to lock or unlock the door from anywhere, swipe an RFID card for quick access, set PIN codes for family members or guests, mechanical keys remain available as a backup

– Features: Compliant with Bluetooth 4.0 BLE standard, built-in RTC clock chip, built-in antenna, built-in passive switch