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: <68 degree Reflector efficiency: 90% 10W E27 can achieve directional light output equal to 60W incandescent lamp 1 year limited warranty Power Consumption: 10W Light Output: 360-420 lumens Color Temperature: 2800-3200K;3200-3500K;3500-4000K Beam Angle: 70/120degree Base Type: E27 screw Applicable Ambient : -15-45 degree Applicable Voltage: 85-265 AC/DC Optional Color: red, blue, yellow, green,warm white Long service life, the average life span is 20,000-50,000 hours