4×4 16 keys waterproof numeric LED backlit access control zinc alloy metal USB keypad B660

The key frame of keypads uses special zinc alloy material, and 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
  • warranty: 1year
  • color: natural
  • Input Voltage: 3.3V/5V
  • Waterproof Grade: IP54
  • Product Detail

    Product Tags

    B660-1 B660-23B660-45


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