The ThermaSol ThermaTouch2 Control Kit is compatible with all ThermaSol PRO Series III generators to produce affluent steam throughout your shower space. The ThermaTouch2 control's vivid touchscreen interface lets you operate precise steam temperature and duration, with customizable user profiles for preferred settings. 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, sound and ambiance. Powered by Android for a full selection of popular apps, shows, music, news, weather, content, and more. 7" dimensions: 8.8"W (22.4 cm) x 3.5"D (8.9 cm) x 6.1"H (15.5 cm) 10" dimensions:10.8"W (27.4 cm) x 3"D (7.6 cm) x 7.5"H (19 cm) 15" dimensions:15.9"W (40.4 cm) x 3.5"D (8.9 cm) x 10"H (25.4 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 Material (7"):Acrylic Construction Material (10", 15"):6061 Aluminum Bezel Display:Full Color LCD Capacitive Touchscreen Aromatherapy:Internal Reservoir Diameter (Round):1.75" (4.4 cm)