The Sterling KeyMinder Key Safe is highly secure strongbox, with combination lock, suitable for storing house and padlock keys. The KeyMinder offers a simple way to give shared access to combination holders whilst maintaining security. Suitable for home & office environments, for school children, cleaners, wardens, community care, rental properties and maintenance personnel with its discreet design and heavy body to resist attack. Installatoin is by wall mounting. Holds up to 6 Yale keys or 2 Chubb Mortise 7cm Keys. 0-0-0-0 autostop means the combination dials only turn in one direction meaning to reset back to 0 you turn them as far as they will go. This means easier opening in low light, and for people with poor sight. 10,000 resettable combinations. Weather resistant including salt for coastal areas. Rubberised rear face ensures close fitting to wall. 10 Year Guarantee.