Viking door bell button panel-Permits user to install a simple door bell today and allow for an easy upgrade to a Viking E-40 door phone-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 - DB40BN