1,Size:172*151*51mm 2,CE and CCC and ROHS ... ,220/240 CFM 4,Capacitor-run with higher efficiency AC Cooling Fan:1,Size:172x151x 51mm,2,Voltage: 220-240V;3,Frequency:50 ... -60HZ4,Current:0.22/0.24A5,Power:48/54w6,Speed: 2800/3100RPM7,Air volume ... expectancy-at room temperature: 50000(sleeve);80000(ball) capacitor-run cooling fan (new fan)