Built in one time or daily timer functionality with up to 2 timer actions per day LCD lets you display set point temperature in either °F or °C units in 1 degree increments Monitors room temperature and preset temperature by microcomputer and can select cool or heat operation modes automatically based on the set-point requirement Selectable auto / cool / heat / dry operation modes with adjustable temperature and airflow rates Approximately two hour battery backup Required remote control adapter PCB included