3 DOOR LEVER FUNCTION FOR YOUR CHOICE: ★Privacy Function: Thumb turn lock on the inside, opened by an exterior emergency key. For interior door use; Best for heavy-duty bedroom and bathroom where the privacy function is needed. ★Passage Function: Keyless unlocking function. For interior door use; Best for Hallway, closet and laundry rooms. ★Entry Function: This Door Lock is the perfect way to keep your home protected. For indoor and outdoor use; Best used for heavy-duty commercial exterior entry doors. PRODUCT FEATURES: √ANSI Grade 3 Rating, Exceeds 200,000 cyles. √Universal handing reversible for right or left hand. √Made of solid zinc alloy for a difference you can feel. √ The plate on the latch is square shape and can not removable. √Designs and finishes to match any home's architectural style. √Easy installation: One-person project; no extra hands needed. √Works for both 2-3/8" and 2-3/4" backsets, fit door thickness 1-3/8"(35mm) to 1-3/4"(45mm). √Modern design to enhance the look of your home-upgrade any room or suite your entire home. √Zinc bolt has hardened steel pin inside that spins in response to sawing attacks which prevents cutting or sawing. WHAT’S IN THE BOX: --Door lever --Adjustable latch --Screws --Strike --Strike box --Installation instruction --(-Keys)