WATERCOP PRO SYSTEM TO PREVENT YOUR HOME FROM WATER DAMAGES. Shuts your main water supply off automatically if leak is detected @ wireless sensors. Most advanced water shut off system available, has 3 year warranty. Brand new in box never used. Includes main control panel, motorized ball shut off valve, 4 sensor hubs & 8 sensors. Enough to do most homes. Place these sensor probes near water heater, wash machine, dishwasher, fridge, under sinks/toilets for whole house protection. Call for questions please @ 400-3470