Upgrade your door security with the Green Light Locks Smart Cylinder Door Lock Model S1F-TT, a premium smart locking solution designed for modern homes and commercial spaces. Built with a durable aluminum alloy body and a sleek professional finish, this smart cylinder lock delivers both style and serious protection.

Enjoy flexible access with 4 unlocking methods, including fingerprint recognition, RFID key card, Bluetooth app unlocking, and a mechanical key backup—perfect for busy households, offices, and rental properties.

With TTLock & Tuya app compatibility, cloud-based access records, and multi-user management, this smart lock makes security effortless while keeping you fully in control.

Key Features & Benefits

✅ 4-in-1 Smart Unlocking Options
Access via Fingerprint + RFID Card + Mechanical Key + Bluetooth App

✅ High-Capacity Fingerprint Storage
Supports up to 100 fingerprint users for families, staff, or tenants

✅ Bluetooth Smart App Control
Manage access easily using TTLock or Tuya apps

✅ Cloud Data Storage & Access Logs
Track entry records and manage permissions securely

✅ Grade C High-Security Cylinder
Enhanced protection with strong anti-theft security design

✅ Adjustable Euro Profile Cylinder
Fits standard 30–45mm doors (customizable up to 110mm)

✅ Wide Door Compatibility
Works with wood, steel, and stainless steel doors

✅ Energy Efficient Power System
Powered by CR123A battery (DC 3V) for long-lasting use

✅ Modern Premium Finishes
Available in Satin Nickel and Black for a sleek look

Why You Should Buy This Smart Lock

🔒 Stronger Security Without the Hassle – Replace traditional locks with smart access control
👆 Keyless Convenience – No more lost keys or lockouts
🏡 Perfect for Smart Homes & Rentals – Great for Airbnb, apartments, and property managers
👥 Multi-User Friendly – Add/remove users anytime for full access control
🛠️ Easy Upgrade Installation – Designed for EURO mortise systems (5572 / 6085)

Perfect For

• Homes & Apartments
• Office Buildings
• Airbnb & Rental Properties
• Commercial Entrances
• Property Managers & Landlords

Specifications

• Model: S1F-TT
• Brand: Green Light Locks
• Material: Aluminum Alloy
• Unlock Methods: Fingerprint / RFID Card / Mechanical Key / Bluetooth App
• Fingerprint Capacity: Up to 100 users
• Power Supply: CR123A Battery (DC 3V)
• Supported Apps: TTLock / Tuya
• Security Level: Grade C Cylinder
• Door Compatibility: Wood / Steel / Stainless Steel
• Door Thickness Range: 30–45mm (customizable up to 110mm)
• Finish Options: Satin Nickel / Black
• Mortise Compatibility: EURO profile (5572 / 6085)
• Waterproof: Yes

Packaging Details

📦 Selling Unit: Single Item
📏 Package Size: 28 × 15 × 13 cm
⚖️ Gross Weight: 0.9 kg

FAQs

Q: Is this smart lock waterproof?
A: Yes, the S1F-TT is designed to be waterproof and suitable for multiple environments.

Q: Can it be installed on any door type?
A: It fits most standard wood, steel, and stainless steel doors with EURO profile mortise systems.

Q: What happens if the battery dies?
A: You can still unlock the door using the included mechanical key.

Q: Can multiple people use fingerprint access?
A: Yes, the lock stores up to 100 fingerprints, making it ideal for families or staff.

Q: How do I manage access permissions?
A: Easily through the TTLock or Tuya mobile apps, with cloud storage support for access logs.

Q: Is installation difficult?
A: No, it’s designed for easy replacement of traditional EURO cylinder locks.