Self-contained edge-lit LED emergency exit sign (3W) with universal AC 90–277V input and selectable Li-ion or Ni-Cd battery. Automatic changeover < 0.25 s; emergency time 1.5H / 2H / 3H or custom; Maintained / Non-maintained. Fully customizable panel (standard / transparent / directional / multilingual, single or double face) and three mounting styles. Built to EN/IEC 60598-2-22; CE / RoHS. EXW US$9.30/unit — supplied with installation kit.