... ,Aluminum housing 3.CE & RoHs approval 2323 LED MR16 3W led spot light with PMMA lensReplaces MR16 Halogen Bulbsup to 30 Watts, ... red,green,blue.Superior thermal management with internal copper heat conductor and external aluminum housing Light source: 9Pcs of 2323 SMD ... , optical grade) Body temperature: less than 53 degree Celsius LED working temperature: less than 62 degree Celsius Temperature: -40 ...