With super metal short arc bulb, it provides more 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 ClassⅠDegree 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 150VAFuse Specification 2ASize dimension 410(L)×380(W)×160(H)mmweight Main Performance Illuminations ≥100000LxColor temperature ≥4000KPressure of air pump 30-60kPaAir flow 4-10L/min