Higher convenience & security, it can be opened with both the pass code or the key; Wear-free keypad material, no clues left for thieves
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)
DIY installation. Combination can be 4-8 digits (no repeats) with tumblers providing over 8,000 options. Please refer to the installation video. Please note that the combination code can be used in any order