W200A with EWP Viking W-2000A Handsfree Doorbox with Enhanced Weather Protection - 120V AC/13.8V AC 1.25A UL Listed Adapter - Viking 2 Year Limited Warranty Applications: Ideal for noisy locations in "Push-to-Talk" modeCommercial, industrial or residential door securityDoor or gate communicationTruck stop/gas station fuel island communicationUse with the C-1000B controller for single line residential systems or when the operation of door strikes or gate openers is necessary Power: 120V AC/13.8V AC 1.25A UL listed adapter provided Connections: 4 x gel filled butt connectors Humidity: Up to 100%