N89-O3 Is an addressable high-powered emergency lighting luminaire featuring high-power Li-ion batteries and the latest LED technology.The lens casts a circular pattern of light, to illuminate open areas and this highpowered model can be fitted up to ceilings up to 9m high. The unit requires just one pair of cables, that supply both power and data and is installed onto Hochiki's standard mounting base, the YBN-R/3(WHT) with its twist-fit, bayonet fixings.