Flourescent lamp Type protection : Exd IIB Class of temperature : T6 Protection Degree : IP54 Implementing the standard : GB3836.1-2000, GB3836.2-2000, IEC60079 Rated voltage : AC220V/ 50Hz Corrosion-proof grade : WF1 Illuminant power : 1x18W, 2x18W, 1x36W, 2x36W Optional : Mounting : Fence, Bend-rod, Ceiling, Flange, Pendant