Smart Lock
User Manual
N20
Special Attention:
- Mechanical keys please keep outdoor, just in case keys lock in doors.
- Please replace for the battery when low wattage alarm.
- Reading this manual carefully before installation, and keep it for future reference.
Introduction
Lock structure

Packing List
Check the following drawing to check whether the package contains all the parts
| NO | Name | Qty | NO. | Name | Qty |
| 1 | Front Panel | 1 | 8 | Mortise Screws:10*5mm (For Aluminum Door) | 4 |
| 2 | Back Panel | 1 | 9 | Mortise Screws:25*4mm (For Wooden Door) | 4 |
| 3 | Mortise: latch | 1 | 10 | Screw Stubs:M4*30mm | 2 |
| 4 | Mechanical Key | 2 | 11 | Screw Stubs:M4*40mm | 2 |
| 5 | Waterproof Rubber Plate | 2 | 12 | M4*30mm Screw | 2 |
| 6 | User Manual | 1 | 13 | Strike&Strike Box | 1+1 |
| 7 | Hexagonal screwdriver | 1 |
Specifications
Suitable for | N20 | Doors Applicable | Wooden door |
| Materials | Handle: Zinc Alloy Panel: SS304 | Working Voltage | 6V/4x AAA Batteries |
Lock Weight | 2.5KG | Door Thickness to Fit | 35-65mm |
| Unlocking Way | Bluetooth Fingerprint Mechanical key Gateway(option) | Data Capacity | Fingerprint: 200 |
Color | Silver Black | Working Temperature | -10°C-55°C |
| Low Wattage Alarm | Less than 4.8V | Working Humidity | 0-95% |
System Initialization

Open the cover of the back panel handle, long press the “Reset” button for 5s , and the initialization is complete.
Installation
Installation Diagram(For Latch or 5572)
Step1 Install Mortise
Step2 Install Front Panel

- Place the Waterproof Rubber Plate and opposite pull screw casing
- Keep arrow direction (shows in image) alwa ys facing to the latch
- Keep arrow direction(shows in image) always upward.to the 5572
Step3 Connect Front and Back Panel

Step4 Install Back Panel

Step5 Install Batteries and Battery Cover

Step6 installation complete

Operation
Registration
http://a.app.qq.com/o/simple.jsp?pkgname=com.tongtongsuo.app&fromcase=40003
The software (iOS version) can be downloaded from the app store, and the Android version can be downloaded from the application store of Google play, Yingyongbao, Baidu, Ali, 360, Huawei, and Xiaomi.
Connect lock to the phone
- please scan the QR code to download the app
- You can also search for TTLock in the APP store(Google Play)to download
- Register a new account (phone number or email) or login with an existing account.
- Touch the lock screen to light, click “+ Add Lock”
- The lock nearby will appear on the phone screen, Click “+”
- Re-name the lock
- The lock added successfully

TTlock users can register the account by mobile phone and Email which currently support 200 countries and regions on the world. The verification code will be sent to user’s mobile phone or email, and the registration will be successful after the verification.
Add locks
TTLock supports multiple types of lock devices. The lock needs to be added by the app after entering the add mode. Generally, a lock that has not been added, as long as the lock keyboard is touched, it will enter the add mode. The default password is 123456 if not added by the phone
User Management
Bluetooth management
Make sure there is no problem with Bluetooth communication. After connecting the phone to the door lock as above, Click “
“to unlock.(the phone is within 5meters from the door lock)
Send e-Key
Click on the “
” as shown in figure, you can send the eKey to other users of TTlock to authorize the unlock(the receiver must be download the APP and set up an account)→ Select e-key format (Timed, permanent, One-time, Recurring) → Enter recipient’s account of TTlock,set the name and effective time of the eKey, Can choose to allow remote unlocking or disallowing, authorized administrator or not authorized, as shown in figure →Send→The recipient’s account has Bluetooth unlock permission
Add fingerprint
The premise that a fingerprint can be used to open a door is that it needs to be added first. The adding process needs to be performed by the APP beside the lock. The fingerprint expiration data can be set, it can be permanent, or it can be limited. After setting ,you can modify its validity period.
e-Key management
Click “
“ The manager can delete ekey, reset ekey, send and adjust the ekey, meanwhile he can search the lock record.
Unlock records
Click “
“you can query your unlock record as shown in figure
Gateway management(Optional)
The TT lock is directly connected via Bluetooth, that is why it is not attacked by the network. The gateway is a bridge between smart locks and home WIFI networks. Through the gateway, the user can remotely view and calibrate the lock clock, read the unlock record. Meanwhile, it can remotely delete and modify the password.
Add Gateway




FAQ
| 1) How to read operation records? | In the Records of the main interface.. |
| 2) Why can’t I unlock it after open the passage mode | You need to perform an unlock verification in any method, than the passage mode will take effect. |
| 3) What is the purpose of Auto Lock | You can set how long to lock after unlocking |
| 4) After installation, touch sensing keyboard, screen no respond | a) In this case, first check that the positive and negative electrodes of the battery have been installed upside down, whether the battery has enough power b) Remove the back panel and see if it’s connected. c) To eliminate the above situation, you need to remove the lock ,check whether the wires of the lock body are squeezed, and the re-wire. |
| 5) Unable to register fingerprint | Check the fingers for dirt or wear, check the fingerprint head on the lock for dirt and oil stains, etc. Check to see if the fingerprint is working properly(Press to see if there is any responds. |
| 6) What is the reason why the smart lock consumes fast power? | a) Large standby power consumption b) Short circuit |
| 7) There is no response to pressing the handle on outside the door, and there is unlock normally on inside the door, but the verification is normal, and the motor is normal. | It may be the triangle direction on the clutch was error, please check correction. |
Guarantee
Customer Name:_________________
Customer Calls :_________________
Purchase Date :_________________
Product Name :_________________
Product Model :_________________
Note:
- Please keep this card so that you can use it when you need warranty service.
- We provide you with a one-year warranty from the date of purchase.
- This warranty service is valid for customers in any country in the world.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement. The device can be u sed in portable exposure condition without restriction

















