Viking W-2000A Surface Mount Handsfree Doorbox 24V Talk Battery

WARNING: THIS PHONE WILL NOT WORK ON A REGULAR PHONE LINE! Verify compatibility first!. W-2000A Features: Microphone volume is provided 24 volt talk battery surface mount unit in a durable plastic case 20 Hz ring generator Can mount on a single gang electrical box Dimensions: 4' x 5.25' x 1.5' Microphone volume adjustment 45° terminal strip for easy wiring Adjustable number of rings (1-7) 3.0 REN Door/Gate entry system for any phone system Doorboxes generate up to ten rings on your telephones when the 'Call' button is pressed Provides standard ringing For Enhanced Weather Protection version see W-2000A-EWP