World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property. Works With Alexa & Google Voice Assistants: Supercharge your YoLink system by adding the YoLink skill to Alexa or Google Assistant. Control your YoLink devices by voice command (“Alexa, turn off the valve” – “OK!”) and control your YoLink devices as part of routines/automations that may include other, third-party, smart devices integrated with Alexa/Google. Wide Application: YoLink smart shut off valve is compatible with water pipe ball valves, natural/ liquid/ tap water valve, and electric/ manual control switches. Enjoy home automation like automatic irrigation of garden, farmland; timing water supply for feeding farm, stockyards; remote control the water valve when you are leaving home in haste Easy Installation: Just need a screw to fix over your existing levered ball valve, no additional plumbing required. With specially designed metal clamping ring, it is adjustable to compatible with the most widely used pipe size like 1/2 inch (Dn15), 3/4 inch (DN20); Please Note: Compatible for Ball Valve only; For the Pipe Sizes larger than 1 inch, you need to order an extra bracket YoLink Hub Required but not included: YoLink Hub is the only central controller for YoLink devices, and it connects YoLink devices into the internet and the cloud. Without YoLink Hub, YoLink Valve does not work with YoLink app and does not support 3rd-party integration with Alexa and IFTTT. Please search B07TQLKQLJ for the hub or try our Water Leak Sensor Kit with Hub B084WYB8PM