The DoorBell Fon DP38 Extra Door Station (NuTone Mount) provides an additional location for door-to-phone communication when used with the DP28-C Doorbell Fon Main Controller (sold separately). The DP38 model also features a slot for an optional pinhole camera (not included), allowing you to see live video of your visitors when connected to a video monitor. The station installs near a door and triggers your phone to ring when a visitor presses the button. You can then answer the phone and speak with your visitor. Designed for retrofitting, all N-Series Door Stations mount into a NuTone IR-6 or IA-70 rough-in box. FEATURES: Triggers phone to ring when visitor presses button. LED button lights up when the Door Station is active. Includes slot for optional 14mm pinhole camera. Mounts into a NuTone IR-6 or IA-70 box. Steel with powder-coating finish for weather-resistance. Power drawn from Door Fon Main Controller. When combined with optional accessories (not included), the Door Station can expand functionality of your Doorbell Fon system. Optional accessories include: Inbound Trigger Relay (DP29-CI): Triggers external devices when a visitor presses the Door Station button. Can trigger external door chimes, cameras, lights, etc. Telephone Keypad Relay Trigger (DP29-SW): Triggers an electronic door strike, allowing the user to unlock a door via telephone. NOTE: Requires connection to the Door Fon Main Controller, sold separately. Each controller supports two door stations total. COLOR: Aluminum.