Control And Relay panel Accessories Conserve MFM EM 6400, Speed and Voltage Raise Lower Switch, Ampere and Voltmeter Selection Switch, Voltage and frequency motorised pot for Automatic Variation of voltage and frequecy Supply 24 volt direct current and pot resistant 5 kilo and cycle time 6 to 60 sec and 4 no input minus 8 output, Temperature Scanner Range, Check Sync relay with LED Display