Doorbird D21DKV, IP VIDEO DOOR STATION, RAL 7006, stainless steel, powder-coated, semi-gloss, Part# 423888289 SAE-28NMK-CTA Includes Answering Machine Power Backup

Includes Answering Machine Power Backup Talking Caller Id Talking Keypad And Phonebook 9 Speed Dials 250number Call Block Accessories And Expandable To 6 Handsets

Transformer: 25Vor 70V

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Easily swap included battery while call is in progress for unlimited talk time

The versatile Greenlee PULL ASSIST (PKG) GPA is a hands-free pulling that reduces strain & fatigue while increasing productivity

Doorbird D21DKV, IP VIDEO DOOR STATION, RAL 7006, stainless steel, powder-coated, semi-gloss, Part# 423888289 SAE-28NMK-CTA Includes Answering Machine Power BackupThe advanced Doorbird D21DKV 423888289, IP VIDEO DOOR STATION, RAL 7006, 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