4X4 round buttons numeric anti-vandalism zinc alloy backlight keypad B664

It’s key frame using high quality zinc alloy material.  Buttons 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
  • color: natural
  • warranty: 1year
  • LED color: customized
  • Input Voltage: 3.3V/5V
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