1.ISO9001:2000, E-Mark, SGS 2.hard glass, quartz glass or corning glass 3.12V55W,12V100W,24V70W,24V100W SPEC12V55W,12V100W,24V70W,24V100WVolt(V)13.2 13.2 28.0 28.0Wattage(W)MAX68 MAX100 MAX84 MAX100Lumen(Lm)1550 2000 1900 2200 BaseP14.5S P14.5S P14.5S P14.5SCarton Meas(cm) 52*27*33Color WHITE, BULE(SUPER WHITE)