40-0984-1 Thermo King Kit Remote Status Light Display for use with refrigeration units. This item is brand new, never been used. OEM. Engineered by Thermo King - for refrigeration units. Compatible - will not interfere with unit operation. Daytime Operation - visible in bright daylight. Solid state design - completely sealed against the elements and no bulbs to replace. Comes standard with a bright finish stainless steel mounting bracket. Units: SR-2, SR-3, and SR4 controllers. T-series truck units manufactured after Nov. 2011 Note: Kit contains the status light, stainless steel bracket, and mounting hardware.