Doorbird D21DKH, IP VIDEO DOOR STATION, RAL 4006, stainless steel, powder-coated, semi-gloss, Part# 423888678 Analog Telephones It also features an all-in-one

It also features an all-in-one charging base with a 3-way PC

Busy lamp field (BLF)

Intercom Between Handset And Base

dustproof and waterproof

The efficient Polycom 5150-49254-001 Telephony Accessories is a Unified Communication Software License for 10 Units in Lync Environment for use with SoundPoint IP

Doorbird D21DKH, IP VIDEO DOOR STATION, RAL 4006, stainless steel, powder-coated, semi-gloss, Part# 423888678 Analog Telephones It also features an all-in-oneThe durable Doorbird D21DKH 423888678 IP VIDEO DOOR STATION, RAL 4006, 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