Line voltage: 100–240V AC Frequency: 50Hz to 60Hz, single phase Maximum continuous power (M2 Pro): 185W Operating temperature: 10° to 35° C (50° to 95° F) Storage temperature: –40° to 47° C (–14° to 116° F) Relative humidity: 0% to 90% noncondensing Operating altitude: Tested up to 3,000 metres (10,000 feet) Maximum storage altitude: 4,500 metres (15,000 feet) Maximum shipping altitude: 10,500 metres (35,000 feet) Typical acoustical performance: Sound pressure level (operator position): 5 dBA at idle |