1.Cooling automatically,with 2 years' warranty. 2.different power available. DC 12V LED switching power supplyProduct Specification.Dimmension:100*58*31mmEMI filter:Built-in EMI filterProduct guarantee:100% full load bum-in textQuality Assurance:2 years warrantyCooling method:Free air cooling convectionInstalling method:vertical/horizontalInput voltege range:176-265VAC/200-360VDCInput frequency: ...