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ltv-wl1 lifestyle3
LTV-WL1 Water Leak and Temperature Sensor
ltv-wl1 front
ltv-wl1 lifestyle2
LTV-WL1 Water Leak and Temperature Sensor
LTV-WL1 Water Leak and Temperature Sensor
LTV-WL1 Water Leak and Temperature Sensor

LTV-WL1 Water Leak and Temperature Sensor


Regular price$23.99

Is this sensor compatible with your system?

Click here to confirm sensor compatibility.

Add-on Sensors are compatible across most La Crosse View systems.  Check the compatibility chart link above to confirm.  Note: Not every display will have enough fields on the display itself to show all sensor data, but, when connected to Wi-Fi, the data is passed through the display and, with the La Crosse View App, the system makes your smart device your display wherever you are.

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  • Detects the presence of water
  • Ambient Temperature (°F or °C)
  • BLUE LED: Normal Transmission. The LED light will occasionally flash blue, indicating it is still transmitting correctly and that no water has been detected.
  • RED LED: Water detected. The LED light will flash red twice every 5 seconds until dry.
  • PURPLE LED: Battery is low



  • 0.031 inches when flat, 0.25 inches when vertical
  • Ambient Temperature Range: -40°F to 140°F (-40°C to 60°C)
  • Up to 400 feet (121 meters) in open air,  RF 915 MHz

Power requirements:

  • 2 "AA" Alkaline batteries (not included)


  • 3.54" L x 1.22" W x 4.72" H


La Crosse Technology, Ltd. provides, to the original purchaser, a 1-year limited time warranty (from date of purchase) on this product, relating to manufacturing defects in materials & workmanship. The item will be either repaired or replaced at La Crosse Technology's discretion.

Click Here for full warranty details

Use the registration form below to register ownership of your product only.  If you have a question about use of the unit, please click on the support tab next to this one to see available support material or submit a ticket.



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Peace of Mind

Our Water Leak Sensor provides 24/7 peace-of-mind, whether you're at the office or relaxing on the beach. Know that your home is safe and dry.

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