The entry lock black in Matte Black is a lock designed for both the consumer and the installer. Easy to install, it offers superior strength 3 way functions and looks great. This is similar to Gainsborough Trilock Contemporary Angular Double Cylinder – Matt Black.
The three functions are:
Passage – Allows entry and exit without any restrictions
Night Mode -Is locked from the inside with a thumb turn and allows occupants to exit easily but is locked on the outside and can only enter with a key.
Deadlock Mode – This is used when there is nobody home. Nobody can enter or exit unless they have a key.