Mechanical Push Button Keyless Door Entry Lock

Mechanical Push Button Keyless Door Entry Lock Deadbolt Keyless deadbolt lock unlocks by code - no keys required Fully mechanical - requires no batteries to operate All-weather operation - Functions in severe temperature Replaces the existing deadbolt on most doors* 2 keys for standard keyed entry option included Programmable unlock code up to 10 digits 13-digit alphanumeric keypad + clear key Easy to operate door handle with interior thumb knob Includes all installation hardware, 2 keys and instructions Dimensions: 1.6" x 5.5" x 2.2" *Doors up to 1-3/4" maximum thickness. Installation requires  door with 2-1/8" (standard) diameter cutout with an additional 10mm diameter hole drilled for anchor post.