Water resistant door/hatch sensor

Our long range water resistant wireless door/hatch sensor works with any of our available extension sensors below. It is compatible with the GOST Apparition & GOST NT-Evolution. This wireless design also has a built in anti-tamper switch.

  • Wireless range in a typical marine environment: 35m (115ft) with GOST Phantom or GOST Insight that can be extended to 70m (230ft) with the Wireless Repeater
  • Low battery and signal transmission LED
Extension sensors

One of these miniature white magnetic extension
sensors is required on the GMM-IP67-DC


Miniature Surface Mount Switch Set Wide Gap up to 3 inches between sensor and magnet (white)


Miniature Recessed Mount 3/8” Switch Set (white)


Miniature Surface Mount, Wide Gap (white) Hidden Wire (bottom)


Exterior Surface Mount Switch Set *SUPER HEAVY DUTY* up to 3 inch gap between sensor and magnet