CM-9600 is single gang width (2-3/4") and the CM-9610 is only 1" & 3/4" wide, perfect for door frames or narrow areas. The large 1" round diameter button is easy to activate. Illumination and power relay is 12 to 24 VDC. Switch illumination is jumper selectable and may be set for On, Off, Green to Red, Red to Green or non-lit operation. Field selectable for N/O or N/C contact output and fail safe/fail secure operation.Main FeaturesLifetime warranty with '2 for 1' replacement