Auto Shut down & RestartSpecial High-Flow increase 30%CFM (average)Extra 20% Low Noise (dBA) compare with same Air Flow (CFM) Performance PWM + High ~ Low Switch 500 ~1300RPM (4pin ) Dimension WxHxD (mm) : 140 x 140 x 25mm / 5.5 x 5.5 x 0.98in Rated Voltage : 12v Rated Current : 0.22A Fan Speed [...]