Product Model: OKY3440

Smart Car KY-021 DH Mini Magnetic Reed Modules For Arduino

Product Description

  • Mini magnetic reed KY-021
  • 100% Brand new and high quality
  • Sensor module
  • Provide the highest possible performance & reliability
  • Fixing bolt holes
  • Material: PCB
  • Working Voltage: 3.3V-5V
  • Can be used with duplicator, refrigerator, camera, water & gas meter.
  • Compatible with standard 2.54mm pins

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