Wine Guardian combination thermostat/humidistat and monitor controls the Wine Guardian system and can be placed inside or outside the wine room with the use of a remote sensor. In addition, two remote interface controllers can regulate one unit. Includes 50′ communication cable. Only available in black. Works with units manufactured on/after Jan. 2020.  Dimensions are 5.5 in (L) x 3.5 in (H) x 1.375 in (D).