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YoLink LoRa 1/4 Mile Long Range Water Level Monitoring Sensor, Alexa and IFTTT. YoLink Hub Required

  • $24.90
  • $29.99
Shipping calculated at checkout.


  • Smart water detector with a built-in siren, detects the presence or absence of water and displays the status on the YoLink app
  • Two Modes: Water Leak Detection Mode and Water Level Monitoring Mode
  • The remote probe offers location flexibility; wired remote sensor may be placed in tight spaces
  • Portable; may be placed anywhere in your home or wall-mounted
  • Wireless operation; no 120V outlet or wiring required
  • Battery-powered (two standard alkaline AAA batteries, included)
  • LoRa long-range/low-power technology offers 2+ years of battery life, compared to 1 year for other brands
  • Real-time water sensor status displayed on the YoLink app
  • Alexa voice assistant and IFTTT integration
  • YoLink Control allows for the Water Level Monitoring Sensor to directly control a YoLink Water Valve Controller, or Siren Alarm, or Relay, or other YoLink devices such as outlets/plugs and controlled lights, without an internet connection
  • YoLink’s industry-leading long range communication allows for operation in larger homes and in areas difficult for other wireless systems, such as basements, separate garages/structures, and even outside your home

  • Exceptional value; high-quality wireless smart water level monitoring at a great price
  • Be informed immediately of low water levels such as low water level in a fish tank
  • Create custom automation using the YoLink app, to trigger responses from other YoLink devices, such as the Siren Alarm
  • Compact design and wired probe allows for placing the sensor where others may not fit
  • Easy to install and portable; move to other locations as needed
  • Lower cost of ownership than other technologies; low-power operation means batteries may last over 2 years, compared to 1 or less from other brands
  • Carefree maintenance, with more years between battery replacement
  • Low-battery alerts give you advanced warning that it is almost time to replace the batteries
  • Uses standard alkaline batteries (2 AAA batteries); no Lithium or special batteries required
  • Works with the convenient and user-friendly YoLink app
  • Extremely easy and fast installation using the YoLink app with Scan & Play

  • Water level detection applications include monitoring water levels in water supplies, such as those used for fish tanks, pets, livestock, plants, gardening, horticulture, and agriculture
  • Toilet applications: runaway toilet (internal leak or flapper jamb), flush monitoring, exhaust fan automation
  • Humidifier and dehumidifier water tank monitoring
  • YoLink’s industry-leading long range communication allows for placing the sensor in separate garage buildings, sheds, storage buildings, barns, greenhouses, etc.
    • YoLink Hub with an internet connection (wired Ethernet or 2.4GHz Wi-Fi). Refer to the Hub user guide for additional information
    • Smartphone or tablet running iOS 9 or higher, Android 4.4 or higher
    • Tools Required: None
    • Installation Difficulty Level: Super Easy
    • Color: White
    • Set button (Front)
    • Power: 2 AAA batteries (3V DC)
    • Dimension [L x W x D]: 2.44 x 2.44 x 0.80 inches (83.06 x 30.99 x 14.99 mm)
    • Operating Temperature Range: 32°F – 122°F (0°C – 50°C)
    • Operating Humidity Range: ≤95%RH non-condensing
    • Intended for indoor use only 
    • (1) YoLink Water Leak Sensor 2 (batteries included)
    • (1) Probe Cable
    • (1) Mounting Hook
    • (1) Quick Start Guide