{"product_id":"milesight-mini-water-leak-sensor-ws303","title":"Milesight Mini Water Leak Sensor - WS303","description":"\u003cp\u003eMilesight \u003cspan class=\"hero-new__subtitle\"\u003eMini Water Leak Sensor - \u003c\/span\u003eWS303 is a compact, wireless water leak sensor that triggers instant alerts upon leak detection and supports D2D automatic response, helping prevent water damage, ideal for smart homes, museums, and other design-sensitive spaces.\u003c\/p\u003e\n\u003ch3 class=\"card__title\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"card__list\"\u003e\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"thead\"\u003e\n\u003cth colspan=\"2\"\u003eWireless Transmission\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eLoRaWAN®, Milesight D2D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eInternal Antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003eCN470\/IN865\/RU864\/EU868\/US915\/AU915\/KR920\/AS923-1\u0026amp;2\u0026amp;3\u0026amp;4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTx Power\u003c\/td\u003e\n\u003ctd\u003e16dBm(868 MHz)\/20dBm(915 MHz)\/19dBm(470 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e-137dBm @300bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMode\u003c\/td\u003e\n\u003ctd\u003eOTAA\/ABP Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"thead\"\u003e\n\u003cth colspan=\"2\"\u003eLeakage Detection\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Type\u003c\/td\u003e\n\u003ctd\u003eConductive Liquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger Condition\u003c\/td\u003e\n\u003ctd\u003eOnce Liquid Level Reaches 0.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"thead\"\u003e\n\u003cth colspan=\"2\"\u003eOthers\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eMobile App via NFC or Downlink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdvanced Feature\u003c\/td\u003e\n\u003ctd\u003eMilesight D2D Controller, Water Leakage Alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"thead\"\u003e\n\u003cth colspan=\"2\"\u003ePhysical Characteristics\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e1 × 590mAh CR2450 Lithium Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Life*\u003c\/td\u003e\n\u003ctd\u003eAround 5.7 years (One hour leakage per week, 25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e0% to 100% (Non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e63 × 63 × 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e36.4g (Battery included), 29.8g (Battery excluded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial \u0026amp; Color\u003c\/td\u003e\n\u003ctd\u003eABS+PC, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003e3M Tape Mounting, Desktop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"thead\"\u003e\n\u003cth colspan=\"2\"\u003eApprovals\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulatory\u003c\/td\u003e\n\u003ctd\u003eCE, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental\u003c\/td\u003e\n\u003ctd\u003eRoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"footnote\"\u003e* Tested under laboratory conditions and for guideline purposes only.\u003c\/p\u003e\n\u003cp\u003e\u003cbutton class=\"shopify-payment-button__button shopify-payment-button__button--unbranded _2ogcW-Q9I-rgsSkNbRiJzA _2EiMjnumZ6FVtlC7RViKtj _2-dUletcCZ2ZL1aaH0GXxT\" style=\"background: #282828;\" type=\"button\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0379\/1745\/8567\/files\/ws303-datasheet-en.pdf?v=1784027191\" style=\"color: white; width: 100%; margin-left: 0; margin-right: 0; padding-left: 0; padding-right: 0; display: block; text-align: center; text-decoration: none !important; border-bottom-style: none;\" target=\"_blank\"\u003eWS303 Data Sheet\u003c\/a\u003e\u003c\/button\u003e\u003c\/p\u003e","brand":"Milesight","offers":[{"title":"Milesight WS303 Mini Leak Detection Sensor EU868","offer_id":58453711683971,"sku":"WS303-868M","price":44.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0379\/1745\/8567\/files\/MilesightWS303.jpg?v=1784027258","url":"https:\/\/synapsys-estore.com\/products\/milesight-mini-water-leak-sensor-ws303","provider":"Synapsys-estore","version":"1.0","type":"link"}