Our whisper quiet industry leading dimmer - featuring our newly redesigned, interchangeable 24 channel controller. Tried and true design with over-sized solid state relays and rugged breakers. Equipped with rigging and hoisting points. Simple addressing with no menus. Dim/non-dim option with dip switch selections and bump buttons. Stackable design. All Ratpac dimmers are ETL and CSA listed and now include CRMX technology, allowing you control up to a quarter mile range with in line of sight. Transmit or receive with the flip of a switch.