Satin nickel, keyless freedom, no keys to hide, lose, carry, or forget, can't get better than that. Brings a new level of security, convenience, and quality to your home. Ready to install right out of the box; one tool. One person. Under 30 minutes. 9-volt battery included, three year battery life with low battery visual and audible warning. Easy to add and delete codes. Enter up to 19 different four-digit codes right at the keypad using the unique six-digit code you create. Lighted keypad makes entering easy at night. All metal escutcheons. Features free-spinning keyway to prevent wrench attacks, but easy to turn when correct code is entered. Patented key override feature with 2 keys included. Solid brass escutcheons, meets ANSI Grade 2 requirements. Preset with one unique 6-digit programming code and 2 unique 4-digit user codes. Comes with the Schlage 5 pin C keyway.