Amazon.com: uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-35 5pcs : Tools & Home Improvement
Amazon.com : uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10pcs : Electronics
Amazon.com : uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch Brown RC-33 2pcs : Electronics
Amazon.com: QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 10 with 40 Screws : Industrial & Scientific
Amazon.com: BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2 : Industrial & Scientific
Amazon.com: TOWODE Lot of 6 Wired Magnetic Door Window Contact Reed Switch Personal Gap Alarm - Cabinet Strip Light Switch NC DIY Kit : Industrial & Scientific
Hxchen 5 Sets RC-33 Nomally Closed Recessed Security Window Door Contact Sensor Alarm Magnetic Reed Switch - - Amazon.com
Amazon.com: DIYhz Reed Switch GPS-14A 14mm Plastic Anti-Interference Normally Open Magnetic Control Switch 10PCS : Electronics
Amazon.com: 10Pcs RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White : Tools & Home Improvement
Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V 12V 24V Light : Electronics
Amazon.com: uxcell Wired Door Contact Window Sensor NC Surface Mount Magnetic Reed Switch Black : Tools & Home Improvement
Amazon.com: Gebildet 10pcs 4W 3 Pin Reed Switch Reed Contact Normally Open N/O N/C SPDT, Glass Reed Relay Magnetic Induction Switch (2.5mm x 14mm) : Industrial & Scientific
Amazon.com : MC-32 NC Surface Mount Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White - (6 Sets) : Electronics
Amazon.com: Gebildet 5pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Black, Magnetic Door Sensor, Normally Closed Magnetic Switch : Everything Else
Amazon.com: HWMATE Roller Door Contact Sensor Magnetic Reed Switch : Electronics
Amazon.com: uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-36 10pcs : Tools & Home Improvement
Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm14mm) : Industrial & Scientific
Amazon.com : VictorsHome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems 5 Pcs : Electronics
Amazon.com: uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-36 2pcs : Tools & Home Improvement
Amazon.com: Hxchen 3Sets RC-35 NC & NO Wired Magnetic Door Window Contact Sensor Switch Contact Sensor Alarm Magnetic Reed Switch White : Tools & Home Improvement
Amazon.com: Hxchen RC-35 NC & NO Wired Magnetic Door Window Contact Sensor Switch Contact Sensor Alarm Magnetic Reed Switch White - (5 Sets) : Industrial & Scientific
Amazon.com: Hxchen 3 Sets MC-31B NC & NO Door Window Contact Sensor Alarm Magnetic Reed Switch with Screws White : Electronics
Amazon.com: Xiaoyztan 5 Sets Recessed Wired Magnet Reed Switch Window Door Magnetic Contact Sensor Alarm for Office Home Security System : Electronics
Amazon.com : uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch Brown RC-33 5pcs : Electronics
