Wavelength: 1064nm/532nm Type of laser: sapphire+ruby switch Q, KTP/ YAG laser insrument Pulse energy:1400mj Instruction Light: infrared ray indicator Width of pulse: 6ns Frequency: 1-6Hz Spot diameter: 1-8mm Cooling system: wind + water +semiconductor. Size: 42x27x29cm Weight: 10kg Voltage: 220V(110V)/5A 50Hz.