Doorbird DB-D21DKH Intercom System for Multi-Tenant Residences 423870888 StarTech You get the highest resolution

You get the highest resolution ClearVü and SideVü scanning sonar images available plus amazingly clear high wide CHIRP traditional sonar1 — all in one transducer

polarity inversion

25" indoor/outdoor monitors featuring weather-protected circuitry

Name: Camden CM-45-2 4 1/2" Square Push Plate Switch

Doorbird DB-D21DKH Intercom System for Multi-Tenant Residences 423870888 StarTech You get the highest resolutionProduct Overview Intercom system for multi tenant residences and buildings with up to 500 units. Stainless steel V2A, brushed. Main 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 Intercom with 2 freely configurable bistable switching relays General Information Name: Doorbird DB D21DKH