Voltage: 240V / 208V Phase 1 Amperage: 10-20 Amp / 9-17Amp Power: 2.3-4.6 kW / 1.7-3.5 kW Wire size: 14 / 10 Integrated into base of the heater control panel Timer for 60-minute running time Thermostat Manual and automatic switch-off options up 210 cu.ft. sauna room 75lb shipping weight with stonesShipping charges are shown within 48 continental states. Shipping cost is :$0