{"product_id":"shelly-flood-s-gen4-smart-water-leak-sensor","title":"Shelly Flood S Gen4 Smart Water Leak Sensor","description":"\u003cp style=\"margin:1em 0\"\u003eThe Shelly Flood S Gen4 is an advanced smart water leak sensor designed to detect leaks before they cause expensive damage. Equipped with Wi-Fi, Zigbee 3.0, Bluetooth, and Matter support, it provides real-time notifications and seamlessly integrates into modern smart home setups.\u003c\/p\u003e\u003cp style=\"margin:1em 0\"\u003eFeaturing stainless-steel sensing pads and an IP67-rated enclosure, it accurately identifies low-conductivity water, clean drips, or rainfall in both indoor and outdoor environments.\u003c\/p\u003e\u003cp style=\"margin:1em 0\"\u003eThe sensor supports local automations to shut off smart valves or trigger alarms independently of cloud connectivity, delivering up to 2 years of reliable battery life.\u003c\/p\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 1em\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:0;background:rgba(128,128,128,0.08);background:color-mix(in srgb,currentColor 6%,transparent);border-radius:10px;padding:12px 16px\"\u003e\n\u003ch3 style=\"margin:0 0 0.5em\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"display:inline-block;width:1.1em;height:1.1em;vertical-align:-0.18em;margin-right:0.45em\" aria-hidden=\"true\"\u003e\u003cpath d=\"M9 6l11 0\"\u003e\u003c\/path\u003e\u003cpath d=\"M9 12l11 0\"\u003e\u003c\/path\u003e\u003cpath d=\"M9 18l11 0\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 6l0 .01\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 12l0 .01\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 18l0 .01\"\u003e\u003c\/path\u003e\u003c\/svg\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"margin:1em 0\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Shelly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Water Leak Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol:\u003c\/strong\u003e Wi-Fi, Zigbee, Bluetooth, Matter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Shelly Flood S Gen4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e FG3800238073701\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 3800238073701\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress Protection Rating:\u003c\/strong\u003e IP67\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Battery Powered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e Up to 2 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Alarm:\u003c\/strong\u003e Audible Buzzer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Material:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 1em\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:0;background:rgba(128,128,128,0.08);background:color-mix(in srgb,currentColor 6%,transparent);border-radius:10px;padding:12px 16px\"\u003e\n\u003ch3 style=\"margin:0 0 0.5em\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"display:inline-block;width:1.1em;height:1.1em;vertical-align:-0.18em;margin-right:0.45em\" aria-hidden=\"true\"\u003e\u003cpath d=\"M16 18a2 2 0 0 1 2 2a2 2 0 0 1 2 -2a2 2 0 0 1 -2 -2a2 2 0 0 1 -2 2zm0 -12a2 2 0 0 1 2 2a2 2 0 0 1 2 -2a2 2 0 0 1 -2 -2a2 2 0 0 1 -2 2zm-7 12a6 6 0 0 1 6 -6a6 6 0 0 1 -6 -6a6 6 0 0 1 -6 6a6 6 0 0 1 6 6z\"\u003e\u003c\/path\u003e\u003c\/svg\u003eHighlights\u003c\/h3\u003e\n\u003cp style=\"margin:1em 0\"\u003eThe \u003cstrong\u003eShelly Flood S Gen4\u003c\/strong\u003e continuously monitors areas that are most vulnerable to leaks. Its large stainless-steel sensing pads provide fast and accurate \u003cstrong\u003ewater leak detection\u003c\/strong\u003e, even for condensate, distilled water, or small drips that many traditional sensors may miss.\u003c\/p\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 1em\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:0;background:rgba(128,128,128,0.08);background:color-mix(in srgb,currentColor 6%,transparent);border-radius:10px;padding:12px 16px\"\u003e\n\u003ch3 style=\"margin:0 0 0.5em\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"display:inline-block;width:1.1em;height:1.1em;vertical-align:-0.18em;margin-right:0.45em\" aria-hidden=\"true\"\u003e\u003cpath d=\"M4 7h3a1 1 0 0 0 1 -1v-1a2 2 0 0 1 4 0v1a1 1 0 0 0 1 1h3a1 1 0 0 1 1 1v3a1 1 0 0 0 1 1h1a2 2 0 0 1 0 4h-1a1 1 0 0 0 -1 1v3a1 1 0 0 1 -1 1h-3a1 1 0 0 1 -1 -1v-1a2 2 0 0 0 -4 0v1a1 1 0 0 1 -1 1h-3a1 1 0 0 1 -1 -1v-3a1 1 0 0 1 1 -1h1a2 2 0 0 0 0 -4h-1a1 1 0 0 1 -1 -1v-3a1 1 0 0 1 1 -1\"\u003e\u003c\/path\u003e\u003c\/svg\u003eCompatibility\u003c\/h3\u003e\n\u003cp style=\"margin:1em 0\"\u003eCompatible with Shelly Smart Control, Home Assistant, and major smart home ecosystems via Wi-Fi, Zigbee 3.0, and Matter.\u003c\/p\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 1em\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:0;background:rgba(128,128,128,0.08);background:color-mix(in srgb,currentColor 6%,transparent);border-radius:10px;padding:12px 16px\"\u003e\n\u003ch3 style=\"margin:0 0 0.5em\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"display:inline-block;width:1.1em;height:1.1em;vertical-align:-0.18em;margin-right:0.45em\" aria-hidden=\"true\"\u003e\u003cpath d=\"M19 4v16h-12a2 2 0 0 1 -2 -2v-12a2 2 0 0 1 2 -2h12z\"\u003e\u003c\/path\u003e\u003cpath d=\"M19 16h-12a2 2 0 0 0 -2 2\"\u003e\u003c\/path\u003e\u003cpath d=\"M9 8h6\"\u003e\u003c\/path\u003e\u003c\/svg\u003eHow to use\u003c\/h3\u003e\n\u003cp style=\"margin:1em 0\"\u003eIntegrate the \u003cstrong\u003esmart water leak sensor\u003c\/strong\u003e into a home automation system. When a leak is detected, automatically close a compatible smart water valve, switch off connected appliances, activate alarms, or send instant alerts to a smartphone.\u003c\/p\u003e\n\n\u003cp style=\"margin:1em 0\"\u003eLocal automations allow critical safety routines to continue operating even without cloud connectivity.\u003c\/p\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 1em\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:0;background:rgba(128,128,128,0.08);background:color-mix(in srgb,currentColor 6%,transparent);border-radius:10px;padding:12px 16px\"\u003e\n\u003ch3 style=\"margin:0 0 0.5em\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"display:inline-block;width:1.1em;height:1.1em;vertical-align:-0.18em;margin-right:0.45em\" aria-hidden=\"true\"\u003e\u003cpath d=\"M3 12a9 9 0 1 0 18 0a9 9 0 0 0 -18 0\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 16v.01\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 13a2 2 0 0 0 .914 -3.782a1.98 1.98 0 0 0 -2.414 .483\"\u003e\u003c\/path\u003e\u003c\/svg\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cstyle\u003e.pu-faq[open]\u003esummary .pu-faq-c{transform:rotate(180deg)}\u003c\/style\u003e\n\u003ctable class=\"pu-table\" style=\"width:100%;border-collapse:separate;border-spacing:0;border:0;box-shadow:none;outline:none;background:none;table-layout:fixed;margin:0 0 1em\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd style=\"border:0;padding:0;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e\u003cdetails class=\"pu-faq\" style=\"padding:0.45em 0\"\u003e\u003csummary style=\"cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none\"\u003e\u003cstrong\u003eWhat is the Shelly Flood S Gen4?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width:1em;height:1em;flex:none;opacity:0.6;transition:transform 0.15s\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cp style=\"margin:0.4em 0 0\"\u003eThe Shelly Flood S Gen4 is a battery-powered smart water leak sensor that detects leaks, sends instant alerts, and connects via Wi-Fi, Zigbee, Bluetooth, or Matter.\u003c\/p\u003e\u003c\/details\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"border:0;padding:0;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e\u003cdetails class=\"pu-faq\" style=\"padding:0.45em 0\"\u003e\u003csummary style=\"cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none\"\u003e\u003cstrong\u003eWhere should the Shelly Flood S Gen4 be placed?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width:1em;height:1em;flex:none;opacity:0.6;transition:transform 0.15s\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cp style=\"margin:0.4em 0 0\"\u003eIt is best positioned in leak-prone areas such as under washing machines, dishwashers, sinks, water heaters, boilers, and air conditioning condensate trays.\u003c\/p\u003e\u003c\/details\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"border:0;padding:0;border-bottom:1px solid rgba(128,128,128,0.16);border-bottom:1px solid color-mix(in srgb,currentColor 12%,transparent)\"\u003e\u003cdetails class=\"pu-faq\" style=\"padding:0.45em 0\"\u003e\u003csummary style=\"cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none\"\u003e\u003cstrong\u003eCan the sensor operate without cloud connectivity?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width:1em;height:1em;flex:none;opacity:0.6;transition:transform 0.15s\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cp style=\"margin:0.4em 0 0\"\u003eYes, it supports local automations and functions directly within your local smart home network without relying on cloud services.\u003c\/p\u003e\u003c\/details\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"border:0;padding:0\"\u003e\u003cdetails class=\"pu-faq\" style=\"padding:0.45em 0\"\u003e\u003csummary style=\"cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none\"\u003e\u003cstrong\u003eWhich wireless protocols does the device support?\u003c\/strong\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" width=\"18\" height=\"18\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"pu-faq-c\" style=\"width:1em;height:1em;flex:none;opacity:0.6;transition:transform 0.15s\" aria-hidden=\"true\"\u003e\u003cpath d=\"M6 9l6 6l6 -6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cp style=\"margin:0.4em 0 0\"\u003eThe sensor supports Wi-Fi 6, Zigbee 3.0, Bluetooth 5 LE, and Matter over Wi-Fi for broad compatibility with major smart home platforms.\u003c\/p\u003e\u003c\/details\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Shelly","offers":[{"title":"Default Title","offer_id":48224974143646,"sku":"FG3800238073701","price":18.9,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0511\/7945\/4622\/files\/shelly-flood-s-gen4-smart-water-leak-sensor-1.webp?v=1788278161","url":"https:\/\/www.linko.com.hk\/products\/shelly-flood-s-gen4-smart-water-leak-sensor","provider":"LINKO SMART TECHNOLOGY LIMITED","version":"1.0","type":"link"}