Electronic combination lock SF12-BLE TTLock
We present the SF12-BLE electronic lock from Spreest – a modern and intuitive solution that provides convenient access control for your home or company headquarters.
The device features an IP66 waterproof casing, a capacitive fingerprint reader, a keypad, and RFID card support.
The lock works with the TTLock application, which allows you to remotely manage access, add users, and monitor opening history.
Key Features
1. Remote control – Open and configure the lock from anywhere (gateway required), without a gateway within Bluetooth range.
2. IP66 waterproof rating – Perfect for outdoor use, gates, and wickets.
3. Backlit keypad – Facilitates code entry in the dark with automatic backlighting.
4. Bluetooth connectivity – Reliable communication between the lock and smartphone, without delays and local range issues.
5. Extensive installation options – The controller can be connected to an electric strike, exit buttons, a doorbell, and additional access control elements.
Unlocking Methods
1. Fingerprint reader – Offers instant and reliable identity confirmation.
2. 13.56 MHz IC card – Convenient access method by simply presenting an access card.
3. PIN code – Allows setting unique passwords and assigning permissions valid for a selected time period.
4. Mobile application – The lock opens with one click on your phone.
5. Open mode – When this mode is activated in the application, the door remains open at all times.
TTLock Application
- Alerts and event log – Push notifications + full opening history.
- Access profiles and eKey – Permanent, temporary, cyclic, or one-time accesses for guests.
- Integration with Booking, Airbnb, Hotres – Automatic code assignment for online reservations.
- Multi-location panel – Manage multiple locks and facilities in one application.
- Roles and permissions – Create groups (administrator, reception, service) with different access levels.
- Work schedules – Define office opening hours and assign access only at specific times.
- Attendance reports – Export entry/exit summaries (late arrivals, early departures).
- "Freeze" lock – Temporary disablement of all electronic opening methods (e.g., alarm).
- Bulk user addition – Import a list of employees or tenants from a CSV file.
Wiring Diagram
The graphic shows an example wiring diagram with an NC (Normally Closed) electric strike, using a 12 V power supply.
You can connect significantly more than just an electric strike to the electronic lock. You can easily integrate an electromagnetic lock, exit buttons, a doorbell, alarm automation, and many other devices, creating a modern and fully functional access control system.
Lock Connectors
- +12V – Power supply
- GND – Ground (negative power)
- Relay contacts:
- NC – Normally closed contact
- COM – Common contact
- NO – Normally open contact
- OPEN – Contact for connecting an exit button
- Dzwonek1 Dzwonek2 - Signal contacts for connecting a 12 V doorbell
Lock Components
- Signal diode (green/red)
- Button panel
- Fingerprint reader with RFID reader
- Opening for cable routing
- Mounting holes
Technical Specifications
- Mobile app: TTLock
- Communication: Bluetooth 4.1
- Protection class: IP66
- Power supply: 12 V DC
- Current consumption: approx. 1 A (operation), approx. 15 mA (standby)
- Unlock time: 1–1.5 seconds
- Memory capacity: 13.56 MHz IC cards: 1000, fingerprints: 500, PIN codes: 150 custom + 150 guest passwords
- Operating temperature: –20°C to +60°C
- Operating humidity: 0–98% RH
- Dimensions: 52 × 20 × 145 mm
- Weight: 382 g
Set includes
- 1× SF12-BLE TTLock electronic keypad lock
- 2× Screws
- 2× Wall plugs
- 1× Allen key
- 1× Rectifier diode
- 1× User manual
