Functional Features：

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1. Easy installation method;
2. Used in conjunction with the fire door monitoring module to monitor the status of the fire door:
3. Installation method: Installed at the junction of the door frame and door leaf.

Technical Parameter：

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Dimensions: 55mm × 23mm × 17mm × 11.5mm
Installation spacing: 37mm
Aperture: Ø 8.5mm × Ø 5mm

Usage environment：

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Temperature: 4 ℃~55 ℃;
Relative humidity: ≤ 95%, no condensation