Check the listing for details. TekTone Vandal-Resistant Entrance Speaker Panel, 4 Buttons (AM492/04). Color: N/A, Condition: New. Listed at 138.25 USD. Add a secure intercom system to an apartment complex with the TekTone Vandal Resistant Apartment Entrance Panel. The Apartment Entrance Speaker Panel is a modular intercom with name holders, used with TekTone Apartment Intercom Stations for visitors to talk with residents inside their units. Simply press a button next to a name on the Panel to buzz the corresponding apartment station. The resident will then be able to talk with the caller. When the resident allows the guest to enter the apartment complex, the Entrance Panel's electric door release unlocks the front door.Product picture shown is of the 12-botton option (part# AM492/12).Vandal-resistant entrance panel and push button actuatorsWeather-resistant Mylar speakerFully-enclosed back box with knockoutsModular design allows for add-on componentsHands-free loudspeakingIndividually replaceable name holders (black flame retardant polycarbonate plastic)Self-wiping push button switches NOTE: The following items are required for complete operation (all sold separately):IRx04E Apartment Intercom StationOF191 Trim FrameOH191 Flush BoxPK543A AmplifierSS102A TransformerTechnical DetailsManufacturer Part #: AM492/04UPC: 812664021273Type: 4 Buttons & Name HoldersDimensions: (H) 16.5 x (W) 4 inches (419 x 102 mm) each panelSpeaker: 2.5 inches (64 mm) MylarPush Button: Individually replaceable with self-wiping contactsConstruction: Modular extruded, anodized aluminum panel and push button actuatorsHousings: OH190-series for flush mounting. OF190S-series frame for surface mounting