Securitron MK, Mortise Keyswitch, Single GangCondition:* New Surplus Stock, No OEM Packaging. As Pictured.Additional Notes:* The Securitron MK is a single, momentary, SPDT mortise keyswitch that turns a standard mortise cylinder into a full feature keyswitch.* The MK supports electric lock control, alarm panel arming, reset and override when paired with any mortise cylinder 1-1/8″ to 1-1/2″.* Voltage: 12 or 24 Volt DC* Dimensions: Single Gang* Finish: Satin Chromium PlatedSecuritron MK