The Phoebe LED Krios Emergency Wall Box is available with down arrow legend set and quality integrated emergency driver. It features maintained or non-maintained functionality and durable construction.Having both maintained or non-maintained functions allows the Krios Emergency Wall Box to either be lit continuously or turn-on in the event of a power failure.The Krios Emergency Wall Box features a quality emergency driver with a 3.6V 1800mAh Ni-cd battery and 3-hour emergency run-time.The Krios Wall Box complies with EN60589-2-22:2015 for emergency luminaires ensuring the highest safety standards.