Doorbird D21DKV, IP VIDEO DOOR STATION, RAL 9010, stainless steel, powder-coated, semi-gloss, Part# 423888425 1100AS744106N 65 "Dia x 2

65 "Dia x 2

Width: 3-13/16'' (96

The quality Speco D16WVXM3TB 16 Channel Higher MP TVI Wallmount DVR with Monitor in 3TB pre-installed HDD storage have built-in S

The durable Greenlee SPRING-SLEEVE

Add 4 din rail-mountable rs232 serial ports to any system through usb - 4 port usb serial adapter - 4 port usb to rs232 - usb to db9 - usb to serial converter -usb to serial hub

Doorbird D21DKV, IP VIDEO DOOR STATION, RAL 9010, stainless steel, powder-coated, semi-gloss, Part# 423888425 1100AS744106N 65 "Dia x 2The high performance Doorbird D21DKV 423888425, IP VIDEO DOOR STATION, RAL 9010, 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