Model:WEL-2 Spec:¦µ35¡Á56¡Á81mm Standard:SOLAS74/96,MSC.81(70) Period of Validity:five years Luminous Intensity):The upper hemisphere¡Ý4.3cd(Exterior light) Lower hemisphere¡Ý0.5cd(Interior light) Time of power Supply:¡Ý12h European Economic Community(EC) certificate.