Product details:

The Honeywell electronic entry knob features a convenient one-touch locking system, 50 programmable user codes, and an alarm that sounds after four incorrectly entered user codes for added security. Available in four finishes, the electronic entry knob suits a range of doors and home decor styles. The Honeywell electronic entry knob fits a 1-3/8 In. to 1-3/4 In. door thickness with an adjustable latch that fits 2-3/8 In. or 2-3/4 In. backsets. The electronic door Lock requires 4 AA alkaline batteries to operate.