DYNALEC 16 POSITION ROTARY SELECTOR SWITCH

*This unit allows an operator to participate in the conversation on any one of up to 16 separate circuits.
*Watertight 16-position rotary switch, equipped with a case-mounted sound powered telephone jack.
*Internal switch contacts are silver plated for long life and good conductivity.
*The dial on the rotary selector is backlighted for night time use.