SKU: 39747168758

WS303-868M - Mini Leak Detection Sensor

Sale price$64.80 Regular price$72.00
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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

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Description

WS303-868M - Mini Leak Detection SensorWS303 is a tiny and mighty leakage detection sensor for detecting the presence of water leaks and transmitting an alarm using LoRaWAN technology. With this low power consumption technology, WS303 can work up to 5 years with a 590mAh battery. Compliant with Milesight D2D protocol, it can directly link with other Milesight devices to realize danger prevention and effectively prevent unnecessary loss. The wire free WS303 can be easily used in smart

WS303 is a tiny and mighty leakage detection sensor for detecting the presence of water leaks and transmitting an alarm using LoRaWAN® technology. With this low power consumption technology, WS303 can work up to 5 years with a 590mAh battery. Compliant with Milesight D2D protocol, it can directly link with other Milesight devices to realize danger prevention and effectively prevent unnecessary loss.

The wire-free WS303 can be easily used in smart offices, buildings, and houses. Users can receive real-time alarms via a built-in buzzer locally and a mobile App remotely. Combined with a Milesight LoRaWAN®gateway, users can manage all sensor data remotely and visually.

Features

  • Detect the presence of conductive liquids using a small water probe
  • A replaceable built-in 590mAh battery with up to 5 years of life for wire-free power supply
  • IP67 waterproof enclosure for harsh environment applications
  • Embedded with a buzzer for real-time alarming
  • Support Milesight D2D protocol to enable ultra-low latency and direct control without gateways
  • Equipped with NFC for easy configuration
  • Compliant with standard LoRaWAN ® gateways and network servers

Measuring Range

  • Liquid Type: Liquid Type Conductive Liquid
  • Trigger Condition: Once Liquid Level Reaches 0.5mm

 

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39747168758

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Dsmorgan
Charlottesville, US
★★★★★ 5
Fun ball
It doesn’t last a whole long time, but she loves it! It’s crazy and it drives her playfulness crazy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
M
Verified Purchase
Manmomma
Cuba, US
★★★★★ 2
No squeak balls
Color: A.Green+Orange
They don’t squeak. They bounce much either.
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Reviewed in the United States on March 25, 2026
O
Verified Purchase
Odalis Perez
Lowell, US
★★★★★ 3
Too big for puppies
Color: A.Green+Orange
The balls were a bit too big for my 6 month chihuahuas:/ they are as big as a tennis ball so puppies didn’t like nor play with them
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Reviewed in the United States on April 26, 2026
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Shawn
Carnegie, US
★★★★★ 5
Frenchie approved
Color: A.Orange+Blue+Green
Frenchie approved
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Reviewed in the United States on May 6, 2026
K
Verified Purchase
Karen W.
Lowell, US
★★★★★ 5
Soft and light
Color: A.Orange+Blue+Green
My doxie loves them
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Reviewed in the United States on April 26, 2026

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