{"product_id":"milesight-ws303-lorawan®-mini-leak-detection-sensor-eu868","title":"Milesight WS303 – LoRaWAN® Mini Leak Detection Sensor (EU868)","description":"\u003ch3 data-section-id=\"1et2pjd\" data-start=\"122\" data-end=\"197\"\u003eCompact LoRaWAN® Water Leak Sensor for Smart Buildings \u0026amp; Critical Areas\u003c\/h3\u003e\n\u003cp data-start=\"199\" data-end=\"606\"\u003eThe \u003cstrong data-start=\"203\" data-end=\"222\"\u003eMilesight WS303\u003c\/strong\u003e is a compact and reliable \u003cstrong data-start=\"249\" data-end=\"288\"\u003eLoRaWAN® Mini Leak Detection Sensor\u003c\/strong\u003e, designed to detect the presence of conductive liquids and send instant alarms when a water leak occurs. Its small size and wireless design make it ideal for smart buildings, server rooms, offices, museums, laboratories, archives, cold storage areas and residential applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"608\" data-end=\"967\"\u003eThe WS303 uses a small water probe to detect conductive liquids. Once the liquid level reaches approximately \u003cstrong data-start=\"717\" data-end=\"727\"\u003e0.5 mm\u003c\/strong\u003e, the sensor triggers an alarm and transmits the event through a LoRaWAN® network. This enables early detection of leaks before they cause serious damage to equipment, infrastructure or valuable assets. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"969\" data-end=\"1322\"\u003eIn addition to remote alerts, the WS303 includes a built-in \u003cstrong data-start=\"1029\" data-end=\"1039\"\u003ebuzzer\u003c\/strong\u003e for local real-time alarm notifications. It also supports \u003cstrong data-start=\"1098\" data-end=\"1129\"\u003eMilesight D2D communication\u003c\/strong\u003e, enabling direct low-latency interaction with other Milesight devices, such as controllers for automatic valve shutoff, even without relying on a gateway. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1324\" data-end=\"1652\"\u003eWith an \u003cstrong data-start=\"1332\" data-end=\"1361\"\u003eIP67 waterproof enclosure\u003c\/strong\u003e, NFC configuration via the Milesight ToolBox app and a replaceable \u003cstrong data-start=\"1429\" data-end=\"1462\"\u003e590mAh CR2450 lithium battery\u003c\/strong\u003e with up to \u003cstrong data-start=\"1474\" data-end=\"1501\"\u003e5 years of battery life\u003c\/strong\u003e, the WS303 provides a practical and low-maintenance solution for water leak detection in demanding environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1654\" data-end=\"1657\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1659\" data-end=\"1674\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"1676\" data-end=\"2123\"\u003e✔ Compact LoRaWAN® Water Leak Sensor\u003cbr data-start=\"1712\" data-end=\"1715\"\u003e✔ Detects Conductive Liquids\u003cbr data-start=\"1743\" data-end=\"1746\"\u003e✔ 0.5 mm Leak Detection Trigger Level\u003cbr data-start=\"1783\" data-end=\"1786\"\u003e✔ Built-in Buzzer for Local Alarm\u003cbr data-start=\"1819\" data-end=\"1822\"\u003e✔ Milesight D2D Communication\u003cbr data-start=\"1851\" data-end=\"1854\"\u003e✔ NFC Configuration via Smartphone\u003cbr data-start=\"1888\" data-end=\"1891\"\u003e✔ IP67 Waterproof Enclosure\u003cbr data-start=\"1918\" data-end=\"1921\"\u003e✔ Replaceable 590mAh CR2450 Battery\u003cbr data-start=\"1956\" data-end=\"1959\"\u003e✔ Up to 5 Years Battery Life\u003cbr data-start=\"1987\" data-end=\"1990\"\u003e✔ Compatible with Standard LoRaWAN® Gateways\u003cbr data-start=\"2034\" data-end=\"2037\"\u003e✔ Ideal for Server Rooms, Museums \u0026amp; Smart Buildings\u003cbr data-start=\"2088\" data-end=\"2091\"\u003e✔ Easy Installation with 3M Tape\u003c\/p\u003e\n\u003chr data-start=\"2125\" data-end=\"2128\"\u003e\n\u003ch2 data-section-id=\"fng2hd\" data-start=\"2130\" data-end=\"2155\"\u003eTypical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2157\" data-end=\"2653\"\u003e• Wireless Technology: LoRaWAN® \/ Milesight D2D\u003cbr data-start=\"2204\" data-end=\"2207\"\u003e• LoRaWAN Mode: OTAA \/ ABP Class A\u003cbr data-start=\"2241\" data-end=\"2244\"\u003e• Frequency Bands: EU868 \/ US915 \/ AU915 \/ AS923 \/ IN865 \/ KR920 \/ CN470 \/ RU864\u003cbr data-start=\"2324\" data-end=\"2327\"\u003e• Liquid Type: Conductive Liquid\u003cbr data-start=\"2359\" data-end=\"2362\"\u003e• Trigger Condition: Liquid Level Reaches 0.5 mm\u003cbr data-start=\"2410\" data-end=\"2413\"\u003e• Power Supply: 1 × 590mAh CR2450 Lithium Battery\u003cbr data-start=\"2462\" data-end=\"2465\"\u003e• Battery Life: Up to 5 Years\u003cbr data-start=\"2494\" data-end=\"2497\"\u003e• Configuration: NFC \/ LoRaWAN Downlink\u003cbr data-start=\"2536\" data-end=\"2539\"\u003e• Alarm: Built-in Buzzer\u003cbr data-start=\"2563\" data-end=\"2566\"\u003e• Protection Rating: IP67\u003cbr data-start=\"2591\" data-end=\"2594\"\u003e• Installation: Surface Placement \/ Wall Mount with 3M Tape\u003c\/p\u003e\n\u003chr data-start=\"2655\" data-end=\"2658\"\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"2660\" data-end=\"2675\"\u003eApplications\u003c\/h2\u003e\n\u003cp data-start=\"2677\" data-end=\"2905\"\u003eServer Rooms \u0026amp; Data Centers\u003cbr data-start=\"2704\" data-end=\"2707\"\u003eSmart Restrooms\u003cbr data-start=\"2722\" data-end=\"2725\"\u003eLaboratories\u003cbr data-start=\"2737\" data-end=\"2740\"\u003eLibraries \u0026amp; Archives\u003cbr data-start=\"2760\" data-end=\"2763\"\u003eCold Storage Areas\u003cbr data-start=\"2781\" data-end=\"2784\"\u003eMuseums\u003cbr data-start=\"2791\" data-end=\"2794\"\u003eOffices \u0026amp; Commercial Buildings\u003cbr data-start=\"2824\" data-end=\"2827\"\u003eResidential Leak Detection\u003cbr data-start=\"2853\" data-end=\"2856\"\u003eWater Pipe Monitoring\u003cbr data-start=\"2877\" data-end=\"2880\"\u003eSmart Building Automation\u003c\/p\u003e\n\u003chr data-start=\"2907\" data-end=\"2910\"\u003e\n\u003ch2 data-section-id=\"6hv2og\" data-start=\"2912\" data-end=\"2931\"\u003ePackage Includes\u003c\/h2\u003e\n\u003cp data-start=\"2933\" data-end=\"3059\"\u003e✔ 1 × Milesight WS303 Mini Leak Detection Sensor\u003cbr data-start=\"2981\" data-end=\"2984\"\u003e✔ 1 × CR2450 Battery\u003cbr data-start=\"3004\" data-end=\"3007\"\u003e✔ 2 × 3M Tapes\u003cbr data-start=\"3021\" data-end=\"3024\"\u003e✔ Quick Start Guide \/ Warranty Card\u003c\/p\u003e\n\u003cp data-start=\"3061\" data-end=\"3100\"\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003ch2 data-section-id=\"1jnai4p\" data-start=\"3282\" data-end=\"3302\"\u003eProduct Downloads\u003c\/h2\u003e\n\u003cp data-start=\"3304\" data-end=\"3365\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/resource.milesight.com\/milesight\/iot\/document\/ws303-datasheet-en.pdf\" target=\"_blank\" title=\"Milesight WS303 – LoRaWAN® Mini Leak Detection Sensor (EU868)\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\" rel=\"noopener\"\u003eDatasheet\u003c\/a\u003e\u003c\/span\u003e\u003cbr data-start=\"3313\" data-end=\"3316\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/resource.milesight.com\/milesight\/iot\/document\/ws303-user-guide-en.pdf\" target=\"_blank\" title=\"Milesight WS303 – LoRaWAN® Mini Leak Detection Sensor (EU868)\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\" rel=\"noopener\"\u003eUser Guide\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Milesight","offers":[{"title":"Default Title","offer_id":53128400765264,"sku":"WS303-868","price":57.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0489\/4032\/files\/milesight-ws303-mini-leak-detection-sensor_3.webp?v=1781084624","url":"https:\/\/invibitshop.com\/products\/milesight-ws303-lorawan%c2%ae-mini-leak-detection-sensor-eu868","provider":"InviBIT Shop","version":"1.0","type":"link"}