Doorbird D21DKV, IP VIDEO DOOR STATION, RAL 6006, stainless steel, powder-coated, semi-gloss, Part# 423888227 Desktop Open Frame Rack This uses soundGuard technology protects

This uses soundGuard technology protects against sound levels above 118 dBA and Anti-Startle technology detects and eliminates large and sudden increases in signal level

advanced switch management functions such as:

LF Driver: 6" MDT Metal-Alloy Cone

5mm swab can be used on SC

1 - 9V battery

Doorbird D21DKV, IP VIDEO DOOR STATION, RAL 6006, stainless steel, powder-coated, semi-gloss, Part# 423888227 Desktop Open Frame Rack This uses soundGuard technology protectsThe high performance Doorbird D21DKV 423888227, IP VIDEO DOOR STATION, RAL 6006, 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