Source Voltage:: 220V±22V, 50Hz±1Hz Work Frequency: 1.6MHz±0.16MHz Input Power: ≤75VA Small Nebulizing cups Largest Charge Quantity: 200ml Large Nebulizing cups Largest Charge Quantity: 500ml Nebulization Rate: Greatest Nebulization Rate ≥4ml/min Least Nebulization Rate ≤1ml/min, adjustment can be conducted in continuation. Timing Pattern: machinery timing, adjustment can be conducted in continuation, the longest timing can be: 60min Warranty Time:1 year and a half