2-Way Voice Communication Between the Resident and Visitor Occurs Through the Units Built-In Speaker, Providing Clear, on the Spot Interaction; Door Station Mounts Recessed into the Wall Using an NRKR300D Rough-In, Providing You the Perfect Fit During Installation; Nutone Outdoor Stations are Weather Safe and Designed to Withstand Rain and Other Elements, Giving You Complete Confidence in the Performance of the System, No Matter What the Weather; Surface Frame NF300DWH Provides a Finished Look for a Complete Visage; The N300 Series Door Speaker is for Use with the NM100 and NM200 Master Stations Only

Specifications:

Type: 2-Way, In-Wall
Case Finish: Nickel
Mounting Options: Wall