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85,271 Results
Wired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch
$3.00$4.21 shipping10pcs NC Recessed Wired Windows & Door Contact Sensor Alarm Magnetic Reed Switch
$7.99 to $16.99Free shippingADT 1038N-ADT Magnetic Switch, White
$3.00or Best Offer$1.50 shippingNEW - Honeywell 951WG-WH Stubby Recessed Magnetic Contact Switch
$9.49Free shipping10pcs Reed Switch Magnetic Switch Normally Open Normally Closed NO NC 4*28MM
$4.29 to $6.30$2.99 shipping6 Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Securit
$22.99or Best OfferFree shipping1pcs US FAST SHIP SMC magnetic switch D-M9B D-M9N D-M9P
$12.34 to $13.18Free shippingMurphy 117 Tattletale® Magnetic Switch 25700071
$63.99$4.95 shipping782 sold10 Security Alarm White Adhesive Window/Door Magnet
$15.00Free shipping104 soldMurphy Switch 117PH 25700074 Tattletale® Magnetic Switch
$69.49294 soldPOWERTEC 71354 Magnetic Switch 120V | EZ Surface Mount Box
$20.99Free shippingWired Surface Mounted NC Magnetic Door Window Contact Sensor Alarm Switch 5 Pack
$9.90or Best OfferFree shippingOnly 1 left!20mm 2Pcs Glass Magnetic Reed Switch N/O N/C SPDT 250V 1A 3 LEADS -2xReed
$7.99Free shipping95 sold20 X Magnetic Glass Reed Switch 2 x14 mm Normally Open N/O 2-Pin Low Voltage US
$9.99Free shipping69 sold4 x REED SWITCH magnetic Normally Open / Closed 3p 3 pin 10w B8
$9.65Free shippingNEW SimpliSafe Entry ES3 Door Sensor White Magnetic Home Security (Latest)
$13.95Free shippingNO/NC Magnetic Contact Reed Switch Door Window Sensor Entry Security Alarm
$1.99 to $5.99$2.99 shipping38 soldMG-RDx2: Red Magnetic Switch LED (2 pcs) for Gunpla Gundam Model Kit
$8.99Free shipping209 soldLED Light Magnetic Control Switch Lighting Chip Model Toy Magnetron Lamp
$6.99Free shippingMagnetic Switch, BPS33, Schmersal
$34.70or Best OfferFree shippingDIY Modeling Magnetic Control LED Lamp Magnetron Switch Animation Figure Light
$6.69 to $6.99Free shippingMG-BUx2: Blue Magnetic Switch LED (2 pcs) for Gunpla Gundam Model Kit
$8.99Free shipping151 sold20pcs magnetic reed switch glass sealed portion size 1.8x7MM normally open
$4.20$2.88 shipping51 sold2pcs MC-38 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White
$12.83Was: $13.51or Best OfferFree shipping12V Inline On Off Magnetic Reed Switch 5.5 x 2.1mm For LED Toolbox Light
$9.95$5.00 shipping22 soldMagnetic Door Window Reed Switch Contact Switch Alarm Security System
$4.83Was: $6.12Free shipping5pcs Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black
$15.24Was: $16.04or Best OfferFree shippingMurphy Magnetic Switch 169PH, 25700082
$36.10or Best OfferOnly 1 left!NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown (QTY 10)
$19.95$5.95 shippingMagnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket NEW
$14.28or Best OfferOnly 1 left!10 PCS WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
$6.99 to $10.99Free shipping2x Magnetic Reed Switch Normally Open or Closed NC NO Door Alarm Window Security
$9.99$4.50 shipping496 sold1PC SMC D-M9P DM9P Auto Magnetic Switch New
$5.92Was: $6.23or Best OfferFree shippingSPDT Glass Magnetic Reed Relay Switch 36mm
$2.49$4.50 shippingBasiX 3/8" Magnetic Reed Switch Alarm Contacts & Magnets (NOS/NEW)
$12.00$4.99 shipping