Hubbell eveugwei compact arch. Led exit, white w/ green letters, w/battery back-up, self-diagostics wall, ceiling, or end mounting commercial applications, high impact flame-rated uv stable white thermoplastic housing, ac only operation, 120/277v input, external push-to-test switch & ac-on indicator included, battery recharge within 24 hours, ac lock-out circuit, low voltage battery disconnect