BRIVO® Onair™ ACS6008 Two (2) Reader Ethernet Control Panel (includes chassis enclosure, enclosure lock and WiFi Antenna; will accommodate three (3) expansion boards); 1 - Internal Power Supply (Does not support power for electronic locks); 1 - Plug-in Transformer with Adapter for Type A, C and G Socket; 2 - 12v 7.0 Ah Sealed Lead Acid Battery (not included).