ELECTRIC LATCH RETRACTION (AVAILABLE ON ALL DEVICES 30" OR LARGER) - STANDARD PACKAGE INCLUDES: SIMULTANEOUS LATCH AND PUSHPAD RETRACTION; QUIET LATCH RETRACTION; LONG TERM DOGGING CAPABILITY; REQUEST TO EXIT SWITCH; NOTE: POWER SUPPLY CONTROLLER IS REQUIRED FOR ER EX BUT NOT INCLUDED IN STANDARD PACKAGE - ORDER SEPARATELY (81-800, 82-800, 83-800)