Input Power 110V or 230V AC/24V DC adaptorFrequency 1M Hz (±5%)Mode 3 levels(“L” low // “M” medium // “H” high)Output power 2.5W±20% (max.)Intensity 0.5W/cm2 ±20% (max.)Timer 5,10 or 15 minutes, three timer setting, default levels 5 minutesPulse 60Hz continuous or on time 0.5 seconds & off time 0.5 secondsPulse ratio “L”12.5%, “M”