Narpult Smart Lock (5-in-1 unlock ways) Reversible Design Exterior Interior Demension Fits most standard residential wooden doors. Door thickness: 1.38inch/35mm-2.16inch/55mmLatch: 2 3/8"(60MM) or 2 3/4"(70MM) Previous page Passwords are fault tolerant before and after to protect your privacy. Traditional mechanical unlocking, ideal for the elderly. Built in type-c back-up power plug, you can use it when you forget to change the batteried. Conveniece&Privacy: Passwords can only be used once and are automatically deleted after one use. You can manage all devices as well as view access logs, suitable for hotel operations. Next page 1 Anti-peeping Password 2 Key Unlock 3 Emergency Power 4 Remote One-time Code 5 App&Web Control Previous page Next page 1 Home 2 Hotel 3 Apartment 4 Office 5 Rental Room Narpult Smart Door Lock Smart Door Lock Set Buying Options Smart Door Lock Bronze Buying Options Front Door Lock Set Add to Cart Door Lock Matte Black Buying Options Smart Lock No Fingerprint Buying Options 2051mb Add to Cart 20518002mb Add to Cart Customer Reviews 3.5 out of 5 stars 20 3.8 out of 5 stars 72 4.2 out of 5 stars 78 3.6 out of 5 stars 144 4.6 out of 5 stars 25 3.6 out of 5 stars 144 3.6 out of 5 stars 144 Price — — $129.99$129.99 — — $109.99$109.99 $109.99$109.99 Color Satin Nickel Oil Rubbed Bronze Oil Rubbed Bronze Matte Black Oil Rubbed Bronze Matte Black Matte Black Suitable door thickness 1-3/8" to 1-3/4"(35mm-45mm) 1.38inch/35mm-2.16inch/55mm 1-3/8" to 1-3/4"(35mm-45mm) 1.38inch/35mm-2.16inch/55mm 1.38inch/35mm-2.16inch/55mm 1.38inch/35mm-2.16inch/55mm 1-3/8" to 1-3/4"(35mm-45mm) Fingerprint Unlock ✔ ✔ ✔ ✔ ✘ ✔ ✔ Passcode Unlock ✔ ✔ ✔ ✔ ✔ ✔ ✔ IC card Unlock ✔ ✔ ✔ ✔ ✔ ✔ ✔ Physical Key Unlock ✔ ✔ ✔ ✔ ✔ ✔ ✔ App&Web Control ✔ ✔ ✔ ✔ ✔ ✔ ✔ Adjustable Latch ✔ ✔ ✔ ✔ ✔ ✔ ✔ 2 Keys and 4 IC Cards Included ✔ ✔ ✔ ✔ ✔ ✔ ✔ Why did the door not unlock successfully after entering the code at the keypad? After entering the password you need to click on the unlock pattern to unlock it. Is this smart lock suitable for steel doors? Not suitable, only for wooden doors Is it compatible with mortise lock door? No. It is also not compatible with Integrated and rim cylinder. Only fits single cylinder. 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 For more questions, please contact The first or last page of the manual has after-sales e-mail contact information.