Unlock record monitoring - Passwords, IC cards, fingerprints, and app unlocking are all recorded. After operating the door lock on any mobile app, connecting to , and synchronizing information, all unlocking records can be seen on the administrator app. APP SDK - We provide SDK for i0S and Android versions, making it convenient to customize apps and integrate door lock operation functions. Open platform interface - We provide the 0pen on our open platform to integrate with the business management system, enabling the association between the property and the door lock, sending electronic keys and passwords, viewing unlocking records, and other door lock management related functions. Mobile Bluetooth unlock - Based on low-power Bluetooth technology, easy unlocking can be achieved through a mobile app. Remote distribution of electronic keys - Electronic keys can be sent to tenants at any time, and the validity period of each electronic key can be flexibly set, or the electronic keys can be frozen/thawed. Password unlocking - Unlocking can be done by entering a password that is valid for a certain period of time by touching the numeric keypad. Fingerprint unlocking - You can use the fingerprint with the entered information to open the door. IC card unlocking - You can use an IC card with entered information to swipe and open the door. Support Mobile apps and computer application systems such as SCIENER, TTLOCK, TTRENTING, and TTHOTEL,hotel.sciener.com Solution Introduction: The SN-503 fingerprint lock motherboard solution uses the Telink(TLSR8251) Bluetooth chip as the main controller, supports low-power Bluetooth (BLE5.0), and can be accessed through App manages door locks (password, electronic key(), IC card, fingerprint) and unlocking, supporting password unlocking, IC card unlocking, fingerprint unlocking, and remote control unlocking (requires additional remote control). The door lock supports firmware upgrade, and software functions can be expanded through firmware upgrade. App electronic keys, passwords, IC cards, and fingerprints can all have a specified expiration date (start time end time), and unlocking can only be done within the expiration date. Supporting App: We provide apps such as "Sciener", "TTLock", "TTRENTING" to manage door locks, supporting multiple languages including Chinese, English, Spanish, French, German, Italian, Russian, Portuguese, Dutch, Polish, Slovak, Serbian, Vietnamese, , Japanese, Korean, Bulgarian, Hebrew, , Swedish, Arabic, , etc. We have cloud servers deployed on Alibaba Cloud and Cloud. The app can be downloaded through or "APPGallery", or by scanning the QR code. Colour:As Shown Material:PC Package Contents: 1 * TTLOCK Access Control Switch Relay Module Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.