Model: N21Product dimension: 360x270x19mmFan demension: 140x140x15mmFan number: x2Fan speed: 750 - 1200 RPMAir flow: 35CFMAir pressure: 0.45 -1.35 mmHFan noise: 11DBACurrent 0.4A(max)Voltage: 5VDCPower input: 1.75WNW:06Kg