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
Enshey 100 pcs Reed Switch Magnetic Switch Glass N/O Low Voltage Current 214 mm Normal Open - - Amazon.com
Amazon.com: Reed Switch Developments Corp, 2250-1965-10K, Magnetic Reed Sensor + Actuator Kit, Plastic, SPST - Form A, 40W 400V 2A, Qty: 1 Kit : Industrial & Scientific
5504-24-1, High Voltage Reed Relay, 1 Form B, Load Switching: Replacement Household Furnace Electronic Relays: Amazon.com: Tools & Home Improvement
Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (Black-B31) : Industrial & Scientific
Amazon.com: 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Electronics
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