Surface mounted vandalism resistant luminaire, IP 44, class I, made from stainless steel with strengthened 4mm PC lamp diffuser and stainless steel end caps. Impact resistant up to 40 Joule and therefore applicable for prisons, detention cells and all vandal prone areas. Different lamp types T5 ECG, T8 ECG and low loss ballast are available. The curved profile of the luminaire prevents the placing of objects on the surface. The oval locking screws additionally avoid unauthorised opening and four rear mounting apertures secure the mounting of the luminaire.