VFJ1220 Features: * Materials: Rubber gasket, Zinc Alloy housing * Reversible lever for right/left hand doors * Fits doors 1.38"" to 1.75"" thick * 2.38"" or 2.75"" backset * Latch Type: 2-way * Strike: Square corner * Cylinder: Mechanical override key (inclded) * Batteries: Uses 4 x AA batteries (Average 1 year life) * Keypad: Glow in the dark keypad * Passcodes: Up to 300 passcodes * Faceplate: 1"" x 2-1/4"" square corner * Latch Bolt: 1/2"" throw * ANSI Grade 3 certified Specifications: * KW1 Keyway Dimensions: * Door Prep: Cross bore 2-1/8"" dia (54mm). Edge bore 1"" dia. (25mm)