Camden Door Controls, CM-1200 and CM-2200 Series flush mount switches, meet the stringent demands of key switch controls. They are designed for use with standard 1", 1 1/8", or 1 1/4" mortise cylinders. The CM-1200 is single-gang 2 3/4" width, CM-2200 is only 1 3/4" wide, perfect for door frames or narrow areas. Both models accept 1 or 2 switches and have a countersunk cylinder opening in a 1-piece casted assembly. A brass cylinder lock ring, 2 socket / slotted screws, and 2-tamperproof screws with driver are also supplied. (The mortise cylinder is available separately from Camden Door Controls.) The design and construction make it ideal for all weather environments. The assembly is tamper and vandal-resistant. CM Key Switches are flexible and can be supplied in numerous switch configurations to suit varied commercial and industrial applications and functions. Camden Key Switches provide a practical, cost-effective means for authorized personnel to control and signal various functions within a complex.