This is 24VAC low-voltage and Millivolt System non-programmable thermostat for room use.Detailed instructions for easy installation,C-wire needed for proper installation. Note-c wire is required and is the primary power source for your thermostat. Without a c wire, your thermostat will not power up, In the case of battery power, there is no need to connect the C wire.
1 Heat 1 Cool,accurate temperature control of +/-1-Degree F,Low Battery Indicator available.
Easy to read in various lighting conditions,detailed instructions for easy installation.
OPTIONAL 2 “AAA” Batteries provide continuous temperature display during power loss.
Maintain comfortable temperatures to reduce energy usage,savings on heating and cooling costs.