life span:8000 Certificate: CE,ROHS,OEM available High lumen, low price wide working voltage , 170v — 250v for the chinese power demand, longevity, the average lifespan 8000 hours. communications equipment and household appliances. no interference of common incandescent have to save electricity than 80%. , only there, light is small, light and power is low, white,, lighting, light source is the ...