Shortwave Diathermy 500 Watts Technical Specification for SWD Solid State Type Power Output: 500 Watt of Radio Frequency Power. Operating Frequency: 27.12 Mhz. Wave Length: 11 Meters Main Supply: 220 Volt 50 Hz R. F. Power Source: Solid State Circuit Display : LCD Display Automatic Tunning 20 Pre Program with the name of Disease Modes : Continous and Pulse Pulse Frequency : 10 Hz,20 Hz,50 Hz,100 Hz,150 Hz,200 Hz Standard Assesories 1 SWD machine 2 Electrode Connecting Cables 2 Electrode ( PAD ) 1 main Cord