With 150W halogen bulb, it provides bright and uniform illumination for endoscopes. And with air pump built-in, it provides air and water for endoscopes.Classification of Medical equipment Type of protection against electric shock Class ⅠDegree of protection against electric shock BF, (no marks for BF)Level of Explosion protection Away from Flammable gasPower supply Voltage 220VAC(±10%)Frequency 50Hz(±1%)Input power 250VAFuse Specification 2ASize dimension 300L×260W×130Hmmweight Main Performance Illuminations ≥70000LxColor temperature ≥3200KPressure of air pump 30-60kPaAir flow 4-10L/min