Quick view Sargent 3287 Door Status Switch - Sargent MSRP: Was: $122.00 Now: $113.09 The Sargent 3287 Concealed Door Status Switch provides an SPST switch to remotely monitor the position (open or closed) of the door. Can be … California Prop 65 Warning WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.