Professional installation recommended. Water damage prevention, by leakSMART, keeps you in constant control of your home’s water supply. The system not only detects water leaks throughout your home, but it also shuts off the water and sends you an alert on your smart phone, no matter where you are — all in less than 5 seconds. The leakSMART Home Starter Kit (with Automatic Water Shut Off Valve, Leak Sensor, and Hub) helps you to stop water damage before it even starts. The Home Starter Kit includ es the patented automatic water shut-off valve (in ¾” size) and one (1) wireless and waterproof sensor. Additional sensors(water alarms) may be purchased separately. Additional valve sizes are also available. leakSMART monitoring app is available for download through the Apple app store on iOS and Google play store for Android. The leakSMART leak detection system is ideal for preventing water damage in your basement and can be used under the sink, around your hot water tank, next to your washer or water line, or any other place where water leaks may occur. The leakSMART system works with Wink, Iris, and Zigbee based systems.