Large aluminium heat sink for cooling 20W of high power LED lighting (without fan) or 100W (without fan) With 14cm fan connected this heat sink can cool up to 40 3W LEDs, or 10 10W LEDs Dimensions: 300mm x 140mm x 20mm (without fan) 300mm x 140mm x 48mm (with fan) Fan: 140mm 12V 0.18A LEDs not included. Check the store for compatible components stores.ebay.co.uk/Current-Eden Postage and Packaging