FeaturesInnovative, snap together design allows for fast installationStencil, right arrow, left arrow face typeWhite background colorSingle or double face configurationHousing snaps to canopy with simple twist and locking tightly secure housing to canopyLED indicator light and push button test switchLED's mounted on printed circuit boardLED lamps are operating in normal (AC input) and emergency (DC input) modes24 hr recharge after 90 min dischargeLow voltage battery disconnection preventing deep discharge damage to the batteryNi-Cd batteryEmergency fixture type6 V output90 min battery runtimeReplaceable directional chevron inserts are easily removed and reinserted7 years batteryBattery back up