Insteon Thermostat Programmable Remote & Smartphone Controllable - Device 42-2732-292 Works like a conventional thermostat with up/down buttons to control temperature, but can also be controlled by a remote or smartphone/tablet Dozens of Apps are available to remotely control the device and many other INSTEON devices Singlebutton quick modes are available like "Vacation" and "Bedtime" Requires at least one range extender (device #17) or the INSTEON Starter Kit