Size Dimension: The patio door security lock size dimension is 12 x 6 cm; Add some security to your indoor and outdoor door with this smart door lock. This is a must-have essential for enhancing security at home, in the office or at the workplace. The perfect addition to your home security. 3 Keys Door Lock: This internal door latch comes with 3 keys that add a little extra security to your home with this night latch. The external locking is by the key while internal locking is with the button. You can use this to add more security to your front doors, or any other door that needs to be locked. Wide Application: The bedroom door lock has multiple applications including gate latch, gate lock, door latch, shed locks and garage door locks that provide added security on residential and apartment doors. You can ensure your and your family's safety all year round with this door lock and making you feel a lot safer in your home or flat. Easy Installation: These smart door locks come with all the required fixing so you can quickly and easily install the lock onto any door. This night latch lock is a complete set with a rim cylinder, lock case, three keys and trim ring for the ultimate security. They are surface mounted, making installation straight forward requiring only basic tools. Premium Material: Our rim night latch door lock is manufactured with a standard backset and has a polished finish which makes them durable and gives you long-lasting service. The shed door latch is ideal for entrance doors in houses and flats to prevent direct attacks to enhance security., Manufacturer: Garden Mile