I want to get one of these 10w led flood lights for my 10g planted tank but I have no clue how to plug them into a wall as they don't come with a plug. Can I just take apart an old extension cord or do I need a power supply? Also is it better to go with the AC 85-265V or DC 9-12V?
AC 85-265V
http://www.ebay.ca/itm/New-Waterpro...279?pt=LH_DefaultDomain_0&hash=item35c3bd9ce7
DC 9-12V
http://www.ebay.ca/itm/10W-LED-Spot...144?pt=LH_DefaultDomain_0&hash=item4d00915098
AC 85-265V
http://www.ebay.ca/itm/New-Waterpro...279?pt=LH_DefaultDomain_0&hash=item35c3bd9ce7
DC 9-12V
http://www.ebay.ca/itm/10W-LED-Spot...144?pt=LH_DefaultDomain_0&hash=item4d00915098