2012 3w mr16 mini led lamp 277V LED spotlight 1) COB ( Epistar 35MIL Chip ) 2) 300mA I2C constant current 110LM/W 3) CE,ROHS 2013 3w mr16 mini led lamp 277v led spotlight 12v warm white led christmas spotlight 3000K 1. What is LED? LED, the abbreviation of Light Emitting Diode, it is a kind of solid state of the semiconductor device, whick can convert electric power into visible light.2.Why to ...