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    $6.99
    2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch
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    2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch
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    GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
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    Uxcell Wired Door Contact Sensor N.C. Surface Mount Magnetic Reed Switch Brown 3 Pair
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    37 in 1 Sensor Module Kit - For Arduino Starters Sensor Kit DIY For Raspberry Pi Mega2560 UNO R3 Nano Robot Project Starter Kit
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    37 in 1 Sensor Module Kit - For Arduino Starters Sensor Kit DIY For Raspberry Pi Mega2560 UNO R3 Nano Robot Project Starter Kit
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    Wireless Door Window Alarm System, Home Burglar Security Magnetic Sensor Kit | USA Free Shipping Shop
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    GY-273 DC 3V-5V HMC5883L Triple Axis Compass Magnetometer Sensor Module Three Axis Magnetic Field Module For Arduino
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    FOCMKEAS 5PCS Recessed Wired Security Window Door Contact Sensor, Normally Closed NC, Door Alarm Magnetic Reed Switch With 2 Wire, ABS Brown, RC-33
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    FOCMKEAS 5PCS Recessed Wired Security Window Door Contact Sensor, Normally Closed NC, Door Alarm Magnetic Reed Switch With 2 Wire, ABS Brown, RC-33
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    Uxcell Wired Door Contact Sensor N.C. Surface Mount Magnetic Reed Switch Black
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    Uxcell Wired Door Contact Sensor N.C. Surface Mount Magnetic Reed Switch Black
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    10 Pair RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White(Normally Closed) 1
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    10 Pair RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White(Normally Closed) 1
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    45 in 1 Sensors Modules Starter Kit For Arduino R3 Mega 2560 Nano Better Than 37In1 Sensor Kit 37 in 1 Sensor Kit DIY Kit
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    45 in 1 Sensors Modules Starter Kit For Arduino R3 Mega 2560 Nano Better Than 37In1 Sensor Kit 37 in 1 Sensor Kit DIY Kit
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    Hxchen RC-36 NC+NO Recessed Security Window Door Contact Sensor Alarm Magnetic Reed Switch - (2 Sets)
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    Hxchen RC-36 NC+NO Recessed Security Window Door Contact Sensor Alarm Magnetic Reed Switch - (2 Sets)
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