Electronic Security Door Lock + WIFI +Smart Touch Screen Lock


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  • Model Number: T20-S
  • Material:: 304 stainless steel
  • Color: Silver/Black/Red bronze
  • Unlock method: App, code, Card, key
  • Door Thickness Request: 38-50 mm,if over 50 mm,please contact us
  • Working Voltage: 4 pcs 1.5V LR6 alialine batteries
  • Lower Voltage Warning: less than 4.8V(50 times at least)
  • lockKey: 2 pcs Mechanical Keys
  • Application:: Interior Door
  • Bluetooth standard: Android 4.3/IOS.0 above
  • App name: TT lock
  • Handle direction: support right and left door


Security Electronic Door Lock, APP WIFI Smart Touch Screen Lock,Digital Code Keypad Deadbolt For Home Hotel Apartment


1. Access by App, M1 Card, Passcode, Bracelet and mechanical key.

2. Adopt AES 128BIT encryption technology. Send passcode/ekey remotely, so you can manage your front door anywhere.

3. Send temporary passocode /ekey/ Card to your guest and tentant. when time is up, the key will be invalid.

4. View access logs on App, so you can monitor your front door any time.


5. Support Gateway device to connect your home wifi network with your lock. so you can open the door remotely.

(pls noted that without our gateway device, the wifi function can not work.) pls click here if you need to buy the gateway.

6.Support Android 4.3/IOS 7.0above mobile system.


7. Three colors are available, Black/Red bronze/Silver

Our default color is black color, if you need other color, pls remark with your order. Thank you very much.

Digital door lock



smart app lock 2


smart app lock 3

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How to install?

1.How to determine whether the lock fits your door or not?

(1)Measure door’t thickness;
(2)Measure the length of guide plate;
(3)Measure the width of the guide plate.
If your door thickness is 38-50mm,then your door fits our lock!

If you are not sure whether it can be replace your old lock or not,please contact and tell us the details of it directly!


2.How to determine the direction of the lock installation and adjust the direction of lock handle?

please advise your door handle direction and leave us a note with your order!
door handle

4.How to drill a correct hole for your door?

We will send you a correct template to help you to drill a correct hole for the lock body,please don’t worry!

Additional information


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