Fingerprint-resistant TouchscreenGrade 2 Security Rating.Keyless convenience - no more keys to lose, hide, carry or forget2 year battery life with 9V battery backup. Door thickness range: 1 3/8 to 1 3/4 Inches; thick door kit extends 1 7/8 to 2 1/2 InchesLED Down Lighting on the numbers and lever.Dedicated icons for low battery and programming modeExterior dimensions: 3 inches x 5.4 inches x 5.2 inches
