BRIVO® Onair™ ACS6000 Two (2) Reader Ethernet Control Panel (includes chassis enclosure, enclosure lock and WiFi antenna; will accommodate one (1) expansion board); 1 - Internal Power Supply (Does not support power for electronic locks); 1 - Plug-in Transformer with Adapters for Type A, C and G Sockets; and 1 - 12v 7.0 Ah Sealed Lead Acid Battery (not included).