The Elvox Galileo Series Vandal Security Panels are designed to be durable and aesthetically pleasing. The 3947 has an integral electronic scrolling directory with 1200 (2400 special request) name capacity for use in buildings of virtually any size. Cast aluminum, the 3947 is rated to the IP45 vandal-resistance rating. A built in display provides positive readout names and station codes. Cellphone-like keypad operation allows for quick search of residents by jumping to the letter entered via multi-tapping. The 3947 comes complete with speaker/mic and integral infrared illuminator. Standard flush mount or surface with model 332P surface boxes with rain hood.