Doorbird D21DKH, IP VIDEO DOOR STATION, RAL 5018, stainless steel, powder-coated, semi-gloss, Part# 423888739 ADAPTER-OPM-ST providing clear audio for announcements

providing clear audio for announcements or background music

Hex Drive Mounting Screws

Built-in Handset Broadcast System

have Algo Satellite Speaker Technology for Highly Intelligibility IP Paging

Speco Technologies BRC8F 9-7/8" Cutout Speaker Support Bracket for SP8ECS and SP6MAT In-Ceiling Speakers (Pair)

Doorbird D21DKH, IP VIDEO DOOR STATION, RAL 5018, stainless steel, powder-coated, semi-gloss, Part# 423888739 ADAPTER-OPM-ST providing clear audio for announcementsThe efficient Doorbird D21DKH 423888739, IP VIDEO DOOR STATION, RAL 5018, stainless steel, powder coated, semi gloss is for multi tenant residences and buildings with up to 500 units. Features: Surface and flush mount possible, housings sold separately LAN connection (PoE capable) 2 way audio Ultra wide angle lens, 720p, night vision, 12 IR LEDs 4D motion sensor, RFID reader Keypad, display module 2 freely configurable bistable switching relays