JCSMARTS TTlock WiFi Fingerprint Smart Door Lock | Keyless
JCSMARTS TTlock WiFi Fingerprint Smart Door Lock (Model JCF3354)
Upgrade your home, apartment, or office entry with the JCSMARTS JCF3354 TTlock Smart Door Lock — a feature-packed keyless security solution that puts access control right in your pocket. With five convenient ways to unlock and built-in WiFi connectivity, you'll never worry about fumbling for keys again.
5-in-1 Keyless Access
- TTlock App (Remote WiFi Unlock) — Unlock from anywhere via the free TTlock smartphone app. Connects directly over WiFi — no gateway required.
- Fingerprint — Fast, reliable biometric entry. Add or remove fingerprints easily through the TTlock app.
- M1 Card — Tap-to-enter with included key cards — ideal for guests or staff.
- Passcode — Issue time-limited or one-time passcodes via the app. The virtual password feature prevents shoulder-surfing by allowing random digits before or after your code.
- Mechanical Key — Traditional key backup always available for emergencies.
Built-In WiFi — No Gateway Needed
Unlike many smart locks that require a separate hub or gateway, the JCF3354 connects directly to your home WiFi network. Control and monitor access from anywhere in the world using the TTlock app on iOS or Android.
Emergency Power Backup
Running low on battery? The lock will alert you with a low-battery alarm. In an emergency, simply connect any power bank or phone charger via the Micro-USB port on the lock for temporary power — you'll never be locked out.
Key Specifications
- Brand: JCSMARTS
- Model: JCF3354
- Connectivity: Bluetooth + WiFi (no gateway needed)
- Unlock Methods: App, Fingerprint, M1 Card, Passcode, Mechanical Key
- Supported Mortise Sizes: 5050 / 5572 / 4585 / 5085 / 6085 / 7085 / 6068
- Suitable Door Type: Wooden Door
- Finish: Polished
- Power Source: Dry Battery (with Micro-USB emergency charging)
- Installation: Drilling installation
- Certification: CE
- Made in: Mainland China
Perfect For
- Apartments & condos
- Home offices & private offices
- Rental properties & Airbnb hosts
- Small businesses & retail spaces
For general guidance on home security best practices, visit the U.S. Cybersecurity & Infrastructure Security Agency or review consumer product safety standards at CPSC.gov.
Frequently Asked Questions
Q: Does the JCSMARTS JCF3354 smart lock require a separate WiFi gateway or hub?
A: No — the JCF3354 has built-in WiFi and connects directly to your home or office router. There is no need to purchase or install a separate gateway device to use remote unlock features via the TTlock app.
Q: What happens if the batteries die on this smart door lock?
A: The lock will sound a low-battery alarm in advance so you can replace the batteries in time. If you're ever caught off guard, you can connect any power bank or Micro-USB phone charger to the port on the lock for temporary power to operate it. A physical mechanical key backup is also included for emergencies.
Q: What door types and mortise sizes are compatible with the JCF3354?
A: This smart lock is designed for wooden doors and supports the following mortise sizes: 5050, 5572, 4585, 5085, 6085, 7085, and 6068. Please measure your existing door mortise before purchasing to confirm compatibility.
Q: Can I grant temporary or time-limited access to guests using this lock?
A: Yes! Through the TTlock app, you can issue time-limited passcodes or eKeys to guests, cleaners, or delivery personnel. Codes and access permissions can be added or deleted remotely at any time from your smartphone.