Dorma WS1 SQ4 Heavy Duty Door Closer - Adjustable Commercial Grade Door Closer for Office, School & Hospital Doors - Ideal for High Traffic Areas & Security Applications

WS-1 SQ4 — Tamper resistant 4-1/2" × 4-1/2" wall plate with a normally open switch. Includes a heavy duty injection molded black ABS mounting box. Satin stainless steel wall plate with blue engraving. Wall plate displays the accessibility symbol and "PRESS TO OPEN." Fits a standard 4" × 4" electrical box. Must be hard wired. Flush design allows the optimum in weather resistance, in surface, or recessed applications.