Emerson RC188. Control your 188mm motor fan with the Emerson RC188 Horseshoe Receiver. This reverse module can be used with a 6-speed remote and/or wall control along with both uplight and downlight operation with a max load of 500 watts.. For use with 188mm motor fan models. Reverse module. Used with 6-speeds remote and / or wall control. Independent uplight/downlight operation. Full range light dimmer (500 watts max total, 300 watts down and 200 watts uplight). 1.0 Amp fan load. . . . .