Amazon.com: 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,DC 3V to 12v Lamp(White) : Industrial & Scientific
Functional Devices-Rib Recessed Mount Magnetic Switch for Light Controllers, Form C (SPDT) ACLCMAGDJ | Zoro
4 pcs Cabinet Door Switch,Closet Light Switch for Wardrobe Applicable to 12V 24V 110V(White) - Amazon.com
Wiring Configuration and Wire Color Question - Diagram for Photocell + Magnetic Switch + Manual Override Single-Pole Switch | DIY Home Improvement Forum