Supply voltage: AC220V±10%, DC12V±2V or 6 series of alkaline batteries (Voltage 9V)
Frequency: 50Hz±1Hz
Input power: ≤13VA
Output pulse waveform: bidirectional asymmetric pulse wave
Output mode: continuous, discontinuous, high or low intensity.
Output pulse width: 0.5ms±(30%)
Wave frequency range: 0.2 -100 Hz adjustable
Output: 6 channels
Output voltage: >30V (5 channels 500? load)