The Viking DB40 Door Bell Button Panels permit the user to install a simple door bell button today and allow for an easy upgrade to a Viking E-40 Door Phone. By replacing the traditional door bell button with a single gang box and a Viking Button Panel, the front entrance of any home can be set up to handle the requirements of two-way audio later. - Applications - Residential entrances - Business entrances - Service doors - Features - Fits any standard single gang box - Offered in two colors, off-white and dark brown - Panels are made from unbreakable plastic - Weather resistant gasket included - Screw terminals on button for easy wiring - Use with the Viking VE-3x5 enclosure for surface mounting - Promotional card for future sales - Specifications - Part Number: DB40-WH (off-white) DB40-BN (dark brown) -Button Cap: White plastic - Contact Rating: 500mA at 24VAC