Viking Electronics W-1000 with Enhanced Weather Protection VK-W-1000-EWP

• Handsfree outside doorbox
• Allows you to answer door from any phone in house/office
• Features enhanced weather protection
• Residential and business door security
• Gate communication
• Use with Viking's C-1000B, RC-2A, or RC-3 to operate electronic door strikes
• 24 volt talk battery
• 20 Hz ring generator
• Microphone volume adjustment
• Adjustable number of rings (1-7) 3.0 REN