Mortise Locks

Camera Smart Lock with Finger Scan Supporting Tuya WiFi or Zigbee FM551

Stop overpaying for smart locks. This one gives you finger scan, passcode entry, and a built-in camera. Connect it to your home with Tuya WiFi or Zigbee. Use it as a touch lock or a full biometric lock. Low price, solid features, and no monthly fees.

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Features

Compatible Mortise

FAQ

Video Guide

Model	FM-551
APP options	Tuya app
Unlock methods	APP, Fingerprint, password, RFID card, Key
Wireless supported	Tuya：WIFI Tuya：zigbee
Hilight Functions	Camera pixels：1MP
App compabilities	Unlock/Lock Enrol PIN codes, RFID and fingerprint credentials and make settings Share eKeys to family and visitors Audit trail in the App to see who accessed your door and when.
Battery	8 AA battery works for 6 months Type-C for emergency power via power bank.
Security Features:	Incorrect attempt alert & lockout for added security. Anti-peep scramble code prevents the correct code from being seen Privacy switch on internal lock assembly locks out all access except Administrator and override key. Double verification mode: Requires two verification methods Tamper alarm to prevent someone from prying and breaking the lock Low battery alert (within App and audible at the lock).
Access Capacity	Fingerprint: 100 Passwords and RFID cards: total 200 Code length: 4-8
Operation Modes	Double verification mode: Requires two verification method
Physical Specs	Housing Material: Aluminum alloy Screen: Acrylic Finishing: Spray painting (baking paint) Work Temperature: -20℃—60℃ Door Thickness range: 40-120mm
Reliability & Durability	Salt Spray Test: 98H Unlock Test: 100,000 Cycles Certification: CE
Dimention
Mortise Fit:	6068 mortise
Packing & Contents
Inner box packaage	meas: 4724.515.5cm; G.W.: 3 KGS
Carton package	meas: 4744.547.8cm; G.W.: 23.5 KGS QTY: 6 pcs/carton
What's in box	panel assembly - 1 piece Accessory pack - 1 pack Instruction manual set - 1 piece RFID cards - 2 pieces Keys - 2 pieces Drilling template- 1 sheet Lock body (optional)

Smart Lock Overview video FM880
Smart Lock User guide video FM880
Smart lock Installation guide video FM880

You want a smart lock that works well and does not cost a fortune. The FM551delivers exactly that. It gives you fingerprint reading, a passcode keypad, a built-in camera, and your choice of Tuya WiFi or Tuya Zigbee — all at a price that makes sense.

Let us start with how you unlock the door. Place your thumb on the sensor and you are in. That is why this is such a reliable thumb scan door lock. If your hands are full, type a 4 to 8 digit passcode. The anti-peep scramble code lets you add random numbers before and after your real code, so nobody can guess it by watching. You also get RFID cards for kids or guests, a physical key for emergencies, and full app control. This fingerprint reader door lock handles everyone in your family.

The built-in 1MP camera sets this apart from basic locks. Open the Tuya app and you can see who is at your door at any time. Not a full video intercom, but enough to check on deliveries or see if the kids made it home. For many people, that is all they really need.

Connectivity is where you have a real choice. Set it up as a wifi lock using Tuya WiFi for direct remote access. Or use it as a zigbee lock connected to a Tuya Zigbee hub for a more stable mesh network. Either way, you control the lock from anywhere. Share eKeys with family members, check the audit trail to see who came and when, and receive real-time alerts. That is what makes this a true smart lock on door that you can trust from across town or across the country.

Security features are solid without being overcomplicated. Double verification mode requires two methods to unlock — fingerprint plus code, or card plus fingerprint, any combination you choose. A tamper alarm sounds if someone tries to pry the lock open. Too many wrong passcode attempts trigger a lockout and alert. Inside your home, the privacy switch blocks all external access except for the admin and physical key.

Battery life is simple and predictable. Eight AA batteries last about six months with normal use. A low battery alert warns you through both the app and an audible sound before they die. If you get caught off guard, the Type-C emergency port accepts power from any power bank.

Built from aluminum alloy with a baking paint finish, the FM551operates in temperatures from -20°C to 60°C. It fits door thicknesses from 40mm to 120mm and works with a standard 6068 mortise. Tested for 100,000 unlock cycles and 98 hours of salt spray, it carries CE certification.

If you have been searching for a fingerprint reader door lock that does not force you to pay for features you do not need, look at the FM-551. It gives you camera, choice of WiFi or Zigbee, multiple unlock methods, and reliable security — all at a low price that actually makes sense for a smart lock on your front door.

Frequency Ask Question

Q1 Is this lock waterproof?

-- No, but we have other waterproof model, such as FM581, FM582

Q1 Is this lock waterproof?

-- No, but we have other waterproof model, such as FM581, FM582

Q1 Is this lock waterproof?

-- No, but we have other waterproof model, such as FM581, FM582

Q1 Is this lock waterproof?

-- No, but we have other waterproof model, such as FM581, FM582

General FAQs

Features

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Frequency Ask Question