Philips Smart Interfaces, Dimmer & switch, Rotary, Sensor, Multicolor, 3.54" (90 mm), 1.65" (42 mm), 3.54" (90 mm) Philips Smart Interfaces. Type: Dimmer & switch. Control type: Rotary, Sensor, Product color: Multicolor. Width: 3.54" (90 mm), Depth: 1.65" (42 mm), Height: 3.54" (90 mm)