Size: 172x150*38mmModel: T796CBearing structure: s: (double ball bearing)Working voltage: 220VCurrent: 0.18/0.16APower: 36/31 (w)Frequency: 50/60 (Hz)Speed: 3200 (R/min)Air volume: 217CFMNoise level: 50 (dB-A)Weight: 950 (g)Frame: black painted aluminum anti-corrosion, moisture-proof structure;Blades: metal leafBearing: ball bearings, high precision, long life and low noise;Insulation: enameled wire with class b insulation, temperature of 155 degrees Celsius;Wiring: wiring (plate type)Insulation resistance: more than 500 mohm;Withstanding voltage: leakage current 0.5mA. high voltage 1500V/minFan rotation direction: from the fan blade direction to counterclockwise;Life expectancy: 50000 (hours)