Flat Ball Knob with Square Rosette, Interior Door Knobs Privacy/Passage DLS09 3" Hole Spacing [Auto lock] The smart door

[Auto lock] The smart door lock can be set to automatically lock within 5 to 60 seconds after the door is closed

Durable & Portable secure keyed entry Deadbolt which fits 1-3/8-Inch to 1-3/4-Inch doors is easy to install in just minutes

There has keyhole on outside knob/lever to permit emergency release with a coin or like object

privacy bedroom and bathroom or outside door

Flat Ball Knob with Square Rosette, Interior Door Knobs Privacy/Passage DLS09 3" Hole Spacing [Auto lock] The smart doorFeatures: Probrico new design, popular flat ball knob style with special square rosette. includes three colors: Black, Oil Rubbed Bronze, Stain Nickel. Note : The square plate of the latch is unremovable. Universal handing. fits both right handed and left handed doors. Shipping: Shipped time: 3 5 days for delivery.