Its a simple, one-touch invisible connection to the steam generating system. Start up your steam room from almost anywhere in the home. Works with iSteam , iTempo and iTempo Plus with interface module.No wires or cables Easy plug play installation Long range radio frequency signal effective from almost any location in the home For in-shower use Operates with all E-Series MrSteam steam generator FCC Compliant for USA and Canada LED feedbackCollection: iGenie Finish: Black, White Height: 2-1 8 Length: 9-1 8 Type: Steam Bath Audio Weight: 1 lb Width: 8-1 8