Advantages: 1)Energy-saving: The high power LED as light source, 80% energy saving than incandescent. 2)Environmental Protection: does not contain mercury, lead and hazardous substances, no environmental pollution, no infrared and ultraviolet to avoid harm to the human body, its green lighting products. 3)Long lifespan: The life of up to 50,000 hours or more. 4)The use of high-power bright LED group packages, and heat fixed one to make the product more solid and reliable, life assurance. 5)Input voltage of 85V-265V, makes products easier to use. 6)DC constant current driver, no flicker. 7)Direct optical illumination point than traditional lamps have higher light-use efficiency. 8)The main use good thermal conductivity of aluminum (AL6063), has good heat dissipation, LED contact with copper thermal conductivity 9)Die-cast aluminum & Tempered glass & Aluminum reflectors & Rubber ring   Basic Technical Parameters: Output power 27.5W Input Power consumption 30W Input voltage AC 85~265V/50~60Hz LED quantity 1 PCS LED light source Epistar COB LED luminous efficiency 80-90lm/W LED luminous flux 2475±5%lm Luminaire efficiency >90% Illumination uniformity >0.8 Correlated Color Temperature 2800-3500K(warm white);4000-4500K(natural white);5500-6500K(cool white) Color rendering index Ra≥75 Beam Angle 55 º , 90º, 120º Degree of protection IP65 Operating ambient temperature -40℃~50℃ Storage ambient temperature -40℃~50℃(30℃the best) Lamp operating temperature Ambient temperature The Radiator surface of the lamp body LED lights Pin 25℃ 55℃ 60℃ Certificate CE, RoHS Lifespan 40000h