Narpult Key-less Smart Door Lock. Brand New in the Original Box. This lock comes complete in the Original Box. Add Narpult Wifi gateway to this lock, you can unlock/lock your door remotely, and reach for voice control by Alexa device.Smart Lock & Smarter Life. This door lock is BHMA authenticated, and it will automatically lock after 5-120 seconds preset period, free your hands and say goodbye to forgetting to close your door. When someone attempts to crack your code, this door lock will beep alarm and it will also alert you in low batteries, making sure your family safe and sound. 5-in-1 Keyless Entry Smart Lock. With the detailed manual and instructional videos, you will be able to install this smart lock all by yourself quick and neat. 8.23 x 6.3 x 3.62 inches. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms". The seller is "lee118" and is located in this country: US. This item can be shipped to United States, all countries in Europe, Mexico, Japan, Canada, Australia.