Honeywell 8632301 Digital Door Lock Entry Knob with Remote, Satin Chrome Programmable multi-user codes Keypad automatically back-lit when in use 2 Entry keys for non-electronic entry and comes with remote Adjustable latch fits 1-3/8 inch - 1-3/4 inch thick doors and 2-3/8 inch - 2-3/4 inch adjustable backset Four (4) AA batteries required (not included)