WaterCop Classic .75 In. Lead Free Ball Valve, Actuator, 3 Sensors INCLUDES - 0.75" Lead free ball valve, actuator, and 3 sensors. LEAK DETECTION - Shuts off water valve automatically when any sensor probes get wet. WIRELESS SIGNAL - Transmits wireless signal to valve when moisture is detected, up to 200 ft. PERFECT FOR - Main residence, vacation homes and villas, second homes, rental homes, offices, and condominiums. SECURITY OUTPUT  Immediate notification of closed valve Ideal for water heaters. Added property protection and peace of mind Potential insurance savings (discounts or credits) Integration with home security and automation systems 24/7 protection and conservation while you&#039;re home or away