XPA-IN-14012-APO XPander Input/Output Module - Dual ChannelXPA IN 14012 APO XPander Input Output Module Dual Channel The XPander Input Output Module is a radio based interface and offers two monitored input circuits and two relay outputs. It can be used for controlling fire doors, fire dampers, smoke vents and other fire engineering applications. Key Features: Wireless Monitored switch circuit Voltage free contacts Capable of switching up to 30V at 1A Five year battery life using standard AA alkaline