Electronic Keypad Door Knob SoHo Mill

Electronic Keypad Door Knob SoHo Mill. and Lock Set with Backup Mechanical Key (Spring Latch Lock; Not Deadbolt; Not Phone Connected), Single Front keypad YL 99 Upgraded Model-B Measurements: - Requires 3 1/4 inch clearance if using an outside storm door or screen door - Total height: 4 1/4 inch - Door thickness: Max 1 3/4 inch; Min 1 3/8 inch