The VE-3x5 adds vandal and weather resistance, as well as versatility to the E-40 Series entry phones. The VE-3x5 backboxes are black powder painted steel, weather resistant boxes designed to be surface mounted to a wall, post, or single gang box. The VE-3x5 is designed to be used with the E-40 Series entry phones and is also compatible with EWP versions of the E-40 Series entry phones. Also known as -Surface Mount Box-Viking Electronics Surface Mount Box for E-40 Ser-Viking Surface Mount Box-Viking Home Theater Surface Mount Box for E-40 Series VK-VE-3X5-Viking Electronics VE-3X5 Mount Box for E-40 Series Entry Phones