Calling Bell Switch

-Flame Retardant, UV Light Stabilized, Unbreakable Poly Carbonate (PC).

-Glossy Finish.

-Wide and concave switch knob for easy operation.

-Silver cadmium oxide (AgCdo) contacts provide high conductivity and anti-weld properties.

-Salt spray tested anti-corrosive steel springs and screws to provide consistent contact pressure.

-Metal parts are made of high conductive Copper alloys.

-Radium Indicator.

-User Convenient.