Type Digital; Color Blue Back Light; Voltage Rating 18 to 30 Volt AC at 50/60 Hertz; Current Rating 1.5 Amp; Switch Type Universal Multi Stage; Temperature Rating 41 to 95 Deg F (Display), 44 to 90 Deg F (Control); Size 4.7" Width x 1.1" Depth x 4.4" Height; Number of Stage 3 Heat/2 Cool; Humidity Range 90 percent RH; Display Size 13 Sq In; Battery Type 2AA Alkaline; Application Commercial, Heat/Cool Conventional System; Warranty 5 Year