2 year battery life with 9V battery backup. LED Down Lighting on the numbers and lever. Dedicated icons for low battery and programming mode. Keyless convenience - no more keys to lose, hide, carry or forget. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Knobs & Levers".
The seller is "queenglad" and is located in this country: CA. This item can be shipped to Canada, United States.