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WS301-868M - Magnetic Contact Switch

SKU WS301-868M

Milesight WS301 simply enables you to know when someone enters the office/building through door/window or if something has been moved. The minimal magnet is placed inside the portable part, while the sensor is inside the fixed part that can be attached to door/window or other objects. With a style of minimalism and compact size, the wire-free WS301 can be easily mounted on doors, panes, or cabinets, greatly providing real applications for smart homes, smart offices or smart factories. With LoRa technology, one of the lowest power consumption technologies, Milesight WS301 can work for up to almost 2 years without bothering to replace the battery. Compliant with a Milesight LoRaWAN®gateway, WS301 will surely monitor the real-time open/close status and receive alarms via mobile App.


  • Suitable for various doors/windows of different materials
  • Support mounting tamper detection
  • LED for network status, open/close status, tamper and low battery indication
  • Ultra-wide-distance transmission up to line of sight of 15 km
  • Built-in 1200 mAh replaceable battery can work continuously for 5 years
  • Equipped with NFC for one touch configuration
  • Support Milesight LoRa D2D protocol to enable ultra-low latency and direct control without gateway
  • Function well with standard LoRaWAN® gateways and network servers


Measuring Range

  • Detection Distance: 15 ~ 20 mm
  • LED: for Network Status, Open / Close Status, Tamper and Low Battery Indication


Documentation & Downloads for WS301-868M

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