Door Magnetic Contact

PROYU Intruder Alarm Recessed Mounted Magnetic Door ball reed Contact

PROYU High Power surface mounted wooden door window Magnetic Door Windows Sensor Alarm

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Hot sale water detection sensor wate leak detector PY-C05

Security Water Leak Sensor Wired Home Use Water Leakage Detector PY-C08

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Wireless Water Leakage Detector sensor Water Leak Detector for Alarm system PY-C08W

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High quality magnetic contacts door window sensor for alarm system PY-C37

Wired Magnetic Door Window Contact Magnetic Sensor for Alarm System N.C PY-C37B

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Wired Door Window Magnetic Contact Safety Sensor Magnetic contact PY-C40

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PY-C08 Wired Home Use sensor detect plastic Water Leak detection for sale

Wired Door Sensor Window Open Switch Home security Alarm Magnetic Sensor NC Relay Output

High quality surface mounted NC NO optional magnetic door sensor contact switch for wooden door window