WaterCop Flood Sensor, Single Probe SINGLE PROBE - Sensor detects leaks. REPLACEMENT- For the WH100. WIRELESS SIGNAL - Transmits wireless signal to valve when moisture is detected, up to 200 ft. UNILIMITTED SUPPORT- WaterCop system supports unlimited number of sensors Added property protection Potential insurance savings (discounts or credits) Integration with home security &amp; automation systems Protects 24 hours a day while you are home or away Conserves water Peace of mind