Elemake Keyless Deadbolt Lock - Keyless Entry Door Lock Keypad Door Knob Exterior, Digital Code Security Door Lock with Keys Mechanical Lock Stainless Steel 304

Slight adjustment to door knob cutout may be needed to accommodate the width of the lock (Borehole can not less than 1-15/16"). For a double bore standard door, this lock must be installed on the above bore. Size 5-1/2" x 3-1/4", Maximum borehole diameter 2-1/8" Suitable for standard prepared doors, maximum borehole diameter 2-1/8" (Suitable for wood or metal door thickness of 35-50mm/1.38-1.96inch), works with both left/right handed and inward/outward opening doors 100% mechanical stainless steel 304, deadbolt is extra hard, lock easily by turning the knob left or using key to lock it, open passcode or key. This lock is very difficult to pry open. Does not lock automatically (This can be a pro or con depending on your needs) International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 2.0 pounds, Manufacturer: Elemake