C-Stat is an electronic programmable thermostat that combines time and temperature control in a completely new design with particular attention paid to the styling and the user interface which features easy to use menu driven programming and a clear, 70mm blue backlit display. The new 6-model range offers standard battery and mains powered units in addition to a wireless version - the C-Stat ZW - which is battery powered and has wireless connectivity using proven Z-Wave technology to communicate with its receiver. All three versions feature models with 24 hour or 7 day programming with up to six temperature settings per day. The mains powered version has a battery back up to preserve settings.