13keys waterproof metal keypad with volume control button for entry system B517

The key frame of keypad uses high quality 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
  • Key Travel Distance: 0.45mm
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