Thorn Highly Durable Fluorescent Luminaire is suitable for use in wet and dusty areas, where reliability is important. IP65 dust and moisture resistant luminaire for 2 x 49W T16 lamp(s) with electronic – fixed output circuit and 3 hour manual test emergency function. Class I electrical. The canopy is made of light grey polycarbonate and diffuser comes in polycarbonate with internal prisms and toggles made of polycarbonate. For surface or suspended mounting. Quick-fix installation brackets are supplied with each luminaire for surface mounting.