Student Stimulator Medical & Lab Equipment DevicesMade In IndiaExport QualityProduct Description:-Frequency continuously variable from 0.1Hz to 100Hz in 3 decades of 0.1 to 1, 1 to 10 and 10 to 100 selectable through push-button controls and one continuously variable control.Output voltage continuously variable from 0 to 30V in two steps of 1 to 3 and 1 to 30, selectable through a switch.