The MJ-30 Series LED Exit Sign is designed for reliable emergency egress lighting in commercial and residential buildings. Featuring a built-in rechargeable Ni-Cd battery with a minimum 90-minute emergency operation, it ensures safety during power outages. With universal single or double face configuration and selectable red or green lettering, it offers flexible installation for various indoor applications such as offices, hallways, stairwells, retail spaces, and public buildings.