The emerald 4.5w universal LED emergency bulkhead from Hi-Spec is a high-performance, energy-efficient emergency lighting solution that is perfect for a wide range of commercial and industrial applications. It features a durable polycarbonate housing, a high-quality LED light source, and a variety of mounting options. · · · Hinged gear tray · · 3 hour emergency time · · Long lasting lithium battery · · Push-fit terminals · · Maintained/non-maintained · · 20mm stuffing gland included · · Multiple 20mm entry points · · Stick-on legends included