The Dormakaba DK-KES200Z is an economical electric strike, designed for use with a large selection of mortice, key in knob and key in lever type locks in both timber and metal frames. The DK-KES200Z also offers variable voltage from 12VAC/ DC to 28VAC/DC as well as a fast and convenient interchangeable fail safe/fail secure function (changeable on site). The unit comes pre-drilled for the optional extension lips. Also included in package is an installation kit for metal frame installation.