Kindly note the following descr iption.We are manufactur Cabin Fan.Impellar Size - 5' to 8'Volatage - 24 volt batteryCurrent consumption approx 0.03Amp or so.Rpm - 1400 or 2800We are sure you can match our requirment or suqquent best alternative. We are sening our product picture pls find the attachment.Country:India