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Product Review

  • 1, NC Mode: Fail-safe type, unlocked when power off, locked when power on.
  • 2, Installation: unfold install (surface mounted).
  • 3, With time delay: 0s, 3s, 6s
  • 4, Wires: red to "NC", black to "GND". yellow line and white line are useless, don't need to be connected.
  • 5, Suitable For: Wooden door, Glass door, Metal door, Fireproof door, etc.