Voltage: 240V 50Hz or 220V 50Hz or 120V 60Hz Rated power: dan lt: 40W Working current: dan lt: 50MA Pulse output: 10 channels Maximum treatment time: 90 minutes Pulse waveforms: 5 modes Pulse frequency: 30Hz s - 800Hz s Pulse power : 0 - 270 angels adjustable Pulse speed: 3 levels adjustable Shink time: 0.1 - 5s Loose time: 0.1 - 5s Machine dimension: 40cm x 27cm x 13cm Packing size: 47cm x 35cm x 23cm