Ra & Ra-Multi Wired Controller Features / Benefits: Includes 8M (26Ft) Of Cable 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° 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 Controller Can Be Used In Conjunction with The Factory Supplied Standard Wireless Remote Controller