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• D21XKV-SMH surface mounting housing, back box

  • DoorBird D21XKV-SMH surface mounting housing (back box)
  • Add this to your D2101V to allow it to be surface mounted. Perfect for retro-fits.
  • Multiple colors available to match your Doorbird:
  • V2A Stainless Steel is IP65,
  • V4A in all finishes is IP65 with chrome-nickel steel with molybdenum additive for harsh conditions and is Salt-Water resistant.

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  D21XKV-SMH

  $255.20 $225.95

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• Four-Door Slave Access Control Module Dahua Technology ASC2204B-S

  • Support TCP/IP communication
  • Two dual communication protocols: RS-485 and Wiegand (W26 and W34)
  • Holds 100,000 users and stores 500,000 card swiping records
  • Support interlock, group combination, anti-passback, remote unlock, and more
  • Support card reader tamper alarm, intrusion alarm, door sensor timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm
  • Built-in RTC, support manual time synchronization and auto time synchronization
  • Support power-off memory protection and online upgrade
  • Support watchdog (a device that protects a system from software or hardware failures)
  • Support PoE power supply

  

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  DHI-ACS2204B-S

  $399.00 $299.00

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