1. Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of your Sifely Model O Smart Deadbolt. This smart lock offers multiple access methods including fingerprint, keypad code, mobile app, fob, and traditional physical key, enhancing security and convenience for various property types.
2. Caratteristiche del prodotto
- Versatile & Fits Most Doors: Compatible with single & multi-family homes, apartments, and rentals. Designed for easy DIY installation with a screwdriver, supporting both left and right-hand doors.
- Multiple Ways to Unlock: Access via fingerprint, keypad code, mobile app, fob, or physical key. Supports over 100 fingerprints and 100 codes, ideal for various users.
- Controllo intelligente delle app: Manage codes, review access logs, share eKeys, and set schedules using the free mobile app or web portal. Remote functionality requires a separately sold Sifely Gateway.
- Auto-Lock & Security Modes: Features automatic locking after each entry, one-touch locking (#), privacy mode, and passage mode. Includes anti-peep code functionality and low battery alerts.
- Alexa & Google Compatible: Integrates with smart speakers for voice control (e.g., “Alexa, lock the door”). Requires a Sifely Gateway for smart home integration.
3. Contenuto della confezione
Verificare che tutti i componenti siano presenti prima di iniziare l'installazione:
- Pannello frontale
- Pannello posteriore
- Piastra di montaggio
- Manuals (Installation Guide, Quick Start Manual)
- Viti di installazione (varie dimensioni per diversi spessori di porta)
- 2 tasti fisici
- 2 portachiavi

Image: All components included in the Sifely Model O Smart Deadbolt package.
4. Configurazione e installazione
The Sifely Model O Smart Deadbolt is designed for straightforward installation. A Phillips head screwdriver is the only tool required. Ensure you have 4 AA batteries (not included) for operation.
4.1. Compatibilità delle porte
Assicurati che la tua porta soddisfi le seguenti specifiche:
- Spessore della porta: 1⅜" ~ 2³/₁₆" (35mm - 55mm)
- Diametro del foro alesato: 2⅛" (54mm)
- Entrata del foro: 2⅜" or 2¾" (60mm or 70mm)

Image: Door compatibility diagram with required measurements.
4.2. Fasi di installazione
For a visual guide, please refer to the official installation video below. It is strongly recommended to install the lock while the door is open/ajar. Do not close your door until the batteries are inserted and calibration is complete.
Video: Official Sifely Smart Lock installation guide, demonstrating each step from bolt installation to final calibration.
- Install the Bolt: Ensure the 'UP' arrow on the deadbolt is facing upwards. Insert the bolt into the door hole and secure it with the provided screws. Check if the T-shaped hole is centered; adjust if necessary by rotating the bolt.
- Installare la tastiera esterna: Ensure the bump on the tailpiece is facing upwards. Slide the tailpiece into the T-shaped hole on the deadbolt. Route the wire cable under the deadbolt. The exterior keypad should face outside.
- Installare la piastra di montaggio: Thread the cable through the hole at the bottom of the mounting plate. Slide the tailpiece from the exterior keypad into the corresponding hole on the mounting plate. Align the guide posts of the mounting plate with the holes on the exterior keypad. Secure the mounting plate using the appropriate screws based on your door thickness (refer to the provided scale card).
- Attach Wire Cable to Interior Lock: Remove the battery cover from the interior lock body. Connect the cable from the exterior keypad to the designated slot on the interior lock.
- Installa la serratura interna: Insert the tailpiece on the exterior keypad into the T-shaped slot at the back of the interior lock. Tuck any excess cable into the door hole. Secure the interior lock to the mounting plate using the provided screws.
- Eseguire la calibrazione: Insert 4 AA batteries into the interior lock. On the exterior keypad, enter "123456#" to initiate the door handing process. The lock will calibrate itself. When the bolts stop moving, the process is complete.
5. Istruzioni per l'uso
La serratura intelligente Sifely modello O offre diversi modi comodi per bloccare e sbloccare la porta.
5.1. Metodi di sblocco
Video: Demonstration of various unlocking methods for the Sifely Smart Lock, including app, fingerprint, code, and fob.
- Impronta digitale: Place your registered finger on the fingerprint sensor. The lock will unlock if the fingerprint is recognized. The AI-powered sensor learns and gets faster with each use.
- Codice tastiera: Enter your programmed 4-6 digit code on the keypad, followed by the '#' key. The lock will unlock.
- Telefonico: Tap the Sifely fob against the keypad. The lock will unlock.
- Applicazione mobile: Use the Sifely app on your smartphone to remotely unlock the door. Remote unlocking requires a Sifely Gateway (sold separately).
- Chiave fisica: In case of battery depletion or electronic malfunction, use the provided physical key to manually unlock the deadbolt.

Image: Fingerprint unlocking in action, highlighting support for multiple users.

Image: App interface for generating custom, timed, one-time, and recurring PIN codes.

Image: Various fob types for unlocking the smart deadbolt.

Image: Sifely app interface for remote control and monitoring.
5.2. Metodi di bloccaggio
- Chiusura automatica: The lock is set to auto-lock by default after a short delay following each unlock. This feature can be configured in the Sifely app.
- Blocco One-Touch: From the outside, press and hold the '#' key on the keypad to instantly lock the door.
- Pomello interno: From the inside, rotate the interior knob to lock or unlock the deadbolt.

Image: Auto-lock, one-touch locking, and privacy/passage modes explained.
5.3. Integrazione della casa intelligente
The Sifely Model O Smart Deadbolt is compatible with Amazon Alexa and Google Assistant for voice control, provided a Sifely Gateway is connected and configured.

Image: Voice control with Alexa and Google Assistant.
6. Manutenzione
- Sostituzione della batteria: The lock requires 4 AA batteries. Replace all batteries when a low battery alert is received. The lock retains all settings during battery replacement.
- Pulizia: Pulisci la tastiera e il corpo della serratura con un panno morbido e asciutto.amp panno. Evitare detergenti abrasivi o solventi che potrebbero danneggiare la finitura o i componenti elettronici.
- Controlli regolari: Controllare periodicamente che tutte le viti siano ben serrate e che la serratura funzioni senza problemi.

Immagine: Funzione di avviso di durata della batteria e di batteria scarica.
7. Risoluzione Dei Problemi
- Il lucchetto non risponde: Check battery levels. Replace batteries if low. Ensure the interior and exterior units are properly connected.
- Impronta digitale non riconosciuta: Assicurati che il dito sia pulito e asciutto. Prova a registrare nuovamente l'impronta digitale nell'app.
- La tastiera non si illumina: Tap the keypad to activate it. If it still doesn't light up, check battery connections.
- L'accesso remoto non funziona: Verify that your Sifely Gateway is properly connected to Wi-Fi and paired with the lock. Check your internet connection.
- Door handing error during calibration: Ensure the deadbolt is installed correctly and the tailpiece is properly aligned. Repeat the calibration process.
8. Specifiche
- Marca: Sifely
- Nome modello: Sifely modello O catenaccio
- Tipo di blocco: Biometrico, Serratura a combinazione, Catenaccio, Tastiera
- Materiale: Alluminio, Zinco
- Colore: Argento
- Tipo di finitura: Nichel satinato
- Dimensioni articolo (L x P x A): 6.3 x 2.6 x 1.9 pollici
- Peso dell'articolo: 2 libbre
- Fonte di energia: 4 batterie AA (non incluse)
- Protocollo di connettività: Bluetooth, Wi-Fi (con Gateway opzionale)
- Tipo di controller: App Control, Keypad, Fingerprint, FOB, Code, Voice Control (via Alexa & Google), Amazon Alexa, Google Assistant, iOS, iPadOS, Android, Hand Control, Touch
- Caratteristiche speciali: Auto-Lock, Back-Lit Keypad, Fingerprint, Fob Unlock, Heat Resistant, One-Touch Lock, Passcode Unlock, Resettable, Weather Resistant
9. Garanzia e supporto
For warranty information and technical support, please refer to the official Sifely website or contact Sifely customer service directly. You can also visit the Sifely Store on Amazon per risorse aggiuntive.