Has Venstar Logo Along with Part P374-0433, Comfort Call Base Station and Wireless Module, Features:Simple Control of Thermostat By Phone, Cell Phone Compatible, Voice Recognition, Announces Temp and Status, Can Control Up to 4 Thermostats, Compatible with:P374-1700, P374-1800, P374-1900, P374-2700, P374-2800, P374-2900, Color:White, Weight:14oz, Dims:3-1/4"L X 4-3/4"W, Cord Length:70"10/Has Venstar Logo Along With Part P374-0433