GDSTIME EC Cooling Fan 120mm Fan 120mm 38mm AC 110V 115V 120V 220V 240V Dual Ball Bearing

What is EC technology? EC stands for Electronically Commutated and it combines AC and DC voltages, bringing the best of both technologies The motor runs on a DC voltage, but with a normal AC supply. DC motors already have low power consumption but if used in an AC application The power needed converting AC to DC, using a bulky, inefficient transformer. The EC motor incorporates voltage transformation within the motor. The non-rotating part of the motor (stator) is extended to make room for an electronic PCB board which includes power transformation AC to DC, as well as the controls. Specification Rated Voltage: 90-270V Power: 6.0 Watt Speed: 2800 ±10%RPM Air Flow: 116.6±10%CFM Noise: 41±10%dBA Cable Length: 300mm (11.8 inchs) Weight: 380g/pcs Package include: 1 Piece fan include fan grill and mounting screws & nuts 2* leadwires?about 38 inches). 1* Power Plug