The ThermaSol SignaTouch Control Kit is compatible with all ThermaSol PRO Series III generators for smooth, consistent steam distribution throughout your shower space. The SignaTouch control'smodern touchscreen makes it easy to adjust steam temperature and session duration with just a few taps. With support for user preferences and a clean in-shower interface, the SignaTouch brings essential personalization to your wellness routine. Instantly envelop your shower with calming steam using the SteamVection steamhead, featuring powerful convection technology to eliminate temperature fluctuations with whisper quiet performance. Additionally, the incorporated aroma reservoir can host essential oils to infuse your steam shower with calming scents. Straightforward single touch navigation between water, steam, temperature, lighting and sound control. OperatesSmartSteam(TM),FastStart(TM)and PowerFlush(TM) technology. Surface Mount dimensions: 5.8"W (14.7 cm) x 0.7"D (1.8 cm) x 4"H (10.2 cm) Recessed dimensions: 5.6"W (14.2 cm) x 0.65"D (1.7 cm) x 3.5"H (8.9 cm) Designed, engineered and built in the U.S.A. Round dimensions: 1.75" Diameter (4.4 cm) x 1.9"D (4.8 cm) Square dimensions: 1.75"W (4.4 cm) x 1.9"D (4.8 cm) x 1.75"H (4.4 cm) Designed, engineered and built in the U.S.A. Construction (Surface Mount):6061 billet aluminum Construction (Recessed):Black acrylic Display:5" capacitive touchscreen Width (Recessed):5.6" (14.2 cm) Depth (Recessed):0.65" (1.7 cm) Height (Recessed):3.5" (8.9 cm) Height (Surface Mount):4" (10.2 cm) Width (Surface Mount):5.8" (14.7 cm) Depth (Surface Mount):0.7" (1.8 cm) Aromatherapy:Internal reservoir Diameter (Round):1.75" (4.4 cm)