DC 12V 60W SMPS Power SupplySMPS 60W 12V LED Driver 5A Constant Voltage Switching Mode Power Supply 12VDC for LEDs ac-dc Lighting Transformer High quality. Universal power supply source unit.Automatic Protections: short circuit over load over voltage over temperature and inrush current.Indoor Use onlyCooling by free air convection.100% full load burn-in test.