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Accessory: 4 Foot Sensor Cable for Water Leak Sensor 2

  • $9.49
  • $15.99
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Customer Reviews

Based on 2 reviews
Ben Campbell

After several weeks one sensor cable was giving a false alarm. I swapped the sensor cable to another sensor and it too alarmed. I ordered a replacement sensor cable and all seems to be fine now. I ordered an extra sensor cable just as a precaution as it is located in a rental unit. With this exception I am very pleased with the system. I have a total of 5 water sensors, a light switch linked to a door sensor and a water shutoff valve linked to all 5 water sensors. The piece of mind of not worrying about a water leak and property damage is amazing. The added benefit is that I know the system will keep working even if there is a power outage. Yolink is the bomb!

Randy Stanard
Very Sensitive Leak Detection Wires

I've purchased leak detectors, Gen 2, to place leak detection wires inside walls for leak detection.

I tested the leak detecton sensor wires so I could know what level of water would trip the detector. I placed the wire in a dish with the intention of spraing from a water bottle. I had not noticed, but there were some small drops of water inside the dish, which to my surprise, set off the detector.

I allowed the sensor wire to dry, then tried again. I misted the wire and it didn't take more than a couple sprays of very fine mist to trip the detector. I have verified that an extremely small about of water will trigger the detector.
You can be confident that the sensor wire paired with a Gen 2 detector will alert to the first sign of ANY water leakage.

I live in Florida, so I hope High Humity days will not set it off!! LOL


  • Add-on accessory for YoLink Water Leak Sensor 2 (YS7904-UC, sold separately)
  • The Sensor Cable detects water along the length of the cable, while the Water Sensor Probe detects water only at the probe at the end of the cable
  • The Sensor Cable can be used for both detection modes, but it is ideal for water leak detection mode, while the Water Sensor Probe is ideal for water level detection mode
  • Length: 4.2 feet (1.2 meters), can be extended to 10 feet


  • Add-on accessory sensor for Water Leak Sensors which use a 3.5mm connector
  • This 4.2 feet add-on Rope Sensor can be linked with multiple Rope Sensors to extend the detection area of the base unit up to 10 feet
  • When used with the Water Leak Sensor 2 (YS7904-UC sold separately), at the first signs of leaks, the YoLink Water Leak Sensor 2 can alert your smartphone and sound an alarm
  • For more information and uses visit the YoLink Water Sensors page 



  • (1) Sensor Cable