30-10071 Spdt N.o./n.c. Magnetic Reed Switch (1): Camera And Photography Products: Amazon.com: Tools & Home Improvement
Reed Switch: Understanding Specifications
MK23-90-D-2 - Standexmeder - Reed Switch, SPDT, Surface Mount
Amazon.com: HiLetgo 5pcs Glass Seal Reed Switch Normal Close Magnetic Induction Switch Electromagnetic Normal Close Reed Switch N/C SPDT 2.0x14mm for Arduino : Industrial & Scientific