K8 is a 2023 new fingerprint door lock with Longer and Larger Handle Panels, which can cover the door holes left by the old lock.
There are 2 versions of K8 : TT Lock Version / Tuya WiFi 8-language Version. According to your needs, choose a smart lock suitable for your home
Note: Tuya WiFi version supports system voice in 8 languages, but TT Lock version supports system voice in English only
Differences Between The Two Versions
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Functions |
TT Lock Version |
Tuya WiFi Version |
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Fingerprint / Password / IC card / Key / APP Unlock |
Yes |
Yes |
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System Voice |
English |
Arabic / English / Indonesian / Portuguese / Russian / Spanish / Thai / Vietnamese |
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Bluetooth unlock |
Yes |
No |
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APP management |
Yes |
Yes |
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Send temporary password remotely |
Yes |
Yes |
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One-time password / Recurring password |
Yes |
No |
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Time-limited password/Permanent password |
Yes |
Yes |
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Remote authorized user unlocking |
Yes |
Yes |
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Unlocking records |
Yes |
Yes |
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Real-time viewing of unlocking records |
Yes |
Yes |
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Mobile phone WiFi remote unlock |
+ Buy Extra G2 Gateway |
Yes |
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TT Lock Version |
TT lock APP management |
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Tuya WiFi Version |
Tuya APP set up |
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With Longer and Larger Handle Panels, which can cover the door holes left by the old lock.
Unlock methods: APP (Options: Tuya / TT Lock)/ Fingerprint / Password / Smart Card / Key Unlock
Tuya WiFi Version: 8 language voices (Arabic / English / Indonesian / Portuguese / Russian / Spanish / Thai / Vietnamese) to switch freely, easy to set up.
Temporary Password;Timed Password;Support Normal Open Mode (access free)
Support Doorbell function
24+ Sizes of Mortise Lock available
Do you trouble with the useless door hole left by the previous lock ?
K8 is with Longer and Larger Handle Panels than the other ordinary lock, which can cover the door holes left by the old lock.
Support Doorbell function
Unlock methods: APP (Options: Tuya / TT Lock)/ Fingerprint / Password / Smart Card / Key Unlock
Tuya WiFi Version--About Tuya APP



TT Lock Version-About TT Lock
The lock connect with the phone by Bluetooth.
You can open the lock / manage the lock (add user / delete user / set password and so on)
If add a gateway that can connect to Wifi (Gateway buy extra)
It is helpful for Hotel Management
For iOS and Android phone, If add a gateway G2 can connect to wifi, and work with Alexa and Google Assistant(Noted: Only USA/Canada/UK/Australia/France/ltaly/Brazil/India can support the Alexa and only the English country support the Google Assistant.)


Support WiFi unlock remotely from APP
Order TT Lock version and contact seller to buy gateway G2 extra. The smart lock can connect to WiFi and control by intelligent voice system with other smart home devices to achieve smart home.
For iOS and Android phone, If add a gateway can connect to wifi, and work with Alexa and Google Assistant
(Noted: Only USA/Canada/UK/Australia/France/ltaly/Brazil/India can support the Alexa and only the English country support the Google Assistant.)

Share e-Key
(The e-Key and usage time can be set in TTLock App.)
Share Password Anywhere
You can generate multiple types of passwords and share with others to get in your house when you are not at home.
Access Alert & Attendance Record
Record the opening time, method and personnel of each time. Also for company record employee attendance.
The password lock supports the anti-peeping password. You can enter any number before and after the correct password. Prevent others from peeping at the unlock code.
How to select the correct mortise lock size
We have over 24 different mortise lock size for choose, so please measure the old lock size follow this picture that you would know which size suit for your door. (once you select the correct size, you will very easy to replace the old lock)


Front panel x 1
Rear panel x 1
Mortise lock x 1(options)
Smart card x 5
Mechanical Key x 2
Screw Kit x 1
