Microprocessor Electronic Thermostat with Backlit Display for Heating and Air Conditioning Convenient knob to set the desired temperature and a single button to confirm the selection or turn off the thermostat The blue backlit display always shows the set and the temperature detected in the environment in addition to the operating icons Temperature regulation in increments of 0.1°C Low battery indicator Probe calibration function - Summer/winter/antifreeze function Two batteries (not included) AA 1.5V model - Dimensions: 94.5 x 94.5 x 34 mm