Smart Front Door Lock Set Previous page Fingerprint can be used to unlock your door, but can not be used to lock your door Next page Keyless Entry Door Lock Deadbolt with Handle Set Previous page Secure & Sturdy Design Easy Installation Follow the steps and tips showing in the video, with just a cross screwdriver,you can installed the smart locck on pre-drilled doors about 20 minutes If you find the fingerprint and password is invalid after replaced battery,please re-add the lock, and delete the original record Next page Check the Size Before You Purchase Door thickness: 1-3/8"(35mm) to 1-3/4"(45mm), adjustable latch length: 2-3/8″(60mm) or 2-3/4″(70mm). Adjustable through bolt: 7.9''(200mm) to 9.1''(231mm) Previous page Next page 1 Front Door 2 Back Door 3 Bedroom Door 4 Office Door 5 Garage Door YYTDZSW Front Door Lock Set Front Door Lock Set Add to Cart Front Door Lock Set Add to Cart Front Door Lock Set Add to Cart Front Door Lock Set Add to Cart Front Door Lock Set Add to Cart G2 Gateway Add to Cart Customer Reviews 4.0 out of 5 stars 62 4.0 out of 5 stars 62 4.0 out of 5 stars 62 4.0 out of 5 stars 62 4.0 out of 5 stars 62 4.0 out of 5 stars 1 Price $119.99$119.99 $170.99$170.99 $149.99$149.99 $139.99$139.99 $179.99$179.99 $37.99$37.99 App Control ✔ ✔ ✔ ✔ ✔ ✔ Auto Lock ✔ ✔ ✔ ✔ ✔ ✔ Fingerprint Unlock ✔ ✔ ✔ ✔ ✔ ✘ One-time Password ✔ ✔ ✔ ✔ ✔ ✔ Anti-peep Password ✔ ✔ ✔ ✔ ✔ ✔ Have 2 keys and 4 fobs ✔ ✔ ✔ ✔ ✔ ✘ Remote Access Require G2 gateway Require G2 gateway Require G2 gateway Require G2 gateway Require G2 gateway G2 gateway Voice Control Require G2 gateway Require G2 gateway Require G2 gateway Require G2 gateway Require G2 gateway G2 gateway If you press the lock button, it just beeps and no lock, what should you do? 1)Please use 4 new batteries. 2) Test if you can rotate the interior knob smoothly, if it hard, please loose the screw as intallation video showed. When I lock it, but it unlock; When I unlock it, it lock. What should I do? Reset the door opening direction on the TTlock App. ( App Home Page - Setting - Door Opening Direction - Open to right/Open to left I use type-c to charge more than 1 hours, but the battery level won't change, why? The battery is not Li battery, can't be charging. the usb is for emergency charging.