The ASL21 67x55mm DDA Compliant Aluminium Non-Slip Stair Nosing Edge Trim with PVC Insert not only protects step edges but also provides an efficient solution for illuminating steps. In the event of a local or emergency power failure on stairways, this system helps evacuees by highlighting stair edges and risers, facilitating a safer evacuation. The Aluminator system is easy to install, requires no electrical connection, and needs no special maintenance beyond standard care for similar products. It activates with normal illumination, whether from daylight, fluorescent lights, or standard tungsten filaments.