Highly efficient light out with very low power consumption. Scientific design with thermolysis function. Using copper,high precision optical glass, high-lever electronic ceramic, etc raw materials. No UV or IR radiation. Body Temperature: <63 degree Reflector efficiency: 90% 3W MR16 can achieve directional light output equal to 25W incandescent lamp 1 year limited warranty Power Consumption: 3.0W(Cree XRE/P4 power LED) Color Temperature: 2800-3200K;3200-3500K;3500-4000K Beam Angle: 50/70/120degree Base Type: 2 pin GU5.3 Applicable Ambient : -15-45 degree Applicable Voltage: 12V AC/DC with reversed polarity protect Optional Color: red, blue, yellow, green, white Long service life, the average life span is 20,000-50,000 hours