Delaney Hardware 301676 KP300 Digital deadbolt, One Size, Polished Chrome

Up to 30 Unique User Codes and 1 Master Code. Also allows One-Time User Code to provide visitor entry once and restrict future access 2 Entry Methods: Touchscreen and Conventional Key Automatic Lock. Program system to automatically lock after 10 - 99 seconds of being idle Auto-Stop Suspends Operation with 5 Incorrect Attempts Installs Easily with Screw Driver. Fits standard 1-3/8" - 2" Door