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10 Sets Pack of Wired Surface Mounted Alarm Magnetic Contact...

$17.99
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2 Pack Magnetic Reed Switch NO/NC, Wired Surface Mount Door ...

$8.99
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20 Sets Nc Wired Surface Mounted Alarm Magnetic Door Alarm C...

$27.99
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5 Sets Magnetic Contacts Wired Window Door Contact Sensor Ma...

$8.99
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5pcs Recessed Wired Security Window Gate Contact Sensor Alar...

$9.99
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Home Security Wired Rolling Door Contact 0~100V/0.5Amp Magne...

$8.99
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Magnetic Reed Switch MC-32 NC Surface Mount Wired Security W...

$12.89
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Magnetic Reed Switch NC Surface Mount Wired Door Window Cont...

$8.99
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Magnetic Reed Switch NO Surface Mount Wired Door Window Cont...

$13.99
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Magnetic Reed Switch NO Surface Mount Wired Door Window Cont...

$13.99
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Magnetic Reed Switch RC-33 NO Recessed Wired Window Door Con...

$14.99
-17%
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MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magne...

Original price was: $11.99.Current price is: $9.99.
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PATIKIL Magnetic Reed Switch, 10 Pack NC Wired Recessed Door...

$23.09
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PATIKIL Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Conta...

$36.09
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PATIKIL Magnetic Reed Switch, 5 Pack NO NC Wired Recessed Do...

$28.29