4×4 waterproof zinc alloy industrial keypad for access control system B512

Key frame is made of  special zinc alloy material. Buttons are made of high quality zinc alloy, with a strong anti-destruction capability.It is mainly for access control system, industrial telephone, vending machine, security system and some other public facilities.


  • material: zinc alloy
  • Input Voltage: 3.3V/5V
  • warranty: 1 year
  • Working Temperature: -25℃~+65℃
  • Relative Humidity: 30%-95%
  • Product Detail

    Product Tags

    B512-1 B512-2 3 B512-4 5


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