{"product_id":"water-leak-level-sensor-relay-module-alarm-detector-5v-12v-24v","title":"5V 12V 24V Water Leak Sensor Relay Module Alarm Detector","description":"\n\u003ch2\u003eDIY Water Leak \u0026amp; Level Detection Relay Module — 5V \/ 12V \/ 24V\u003c\/h2\u003e\n\u003cp\u003eStay ahead of unwanted flooding and water overflow with this versatile \u003cstrong\u003eWater Leak \u0026amp; Water Level Sensor Relay Module\u003c\/strong\u003e. Designed for DIY electronics enthusiasts, home automation projects, and industrial setups, this compact relay controller detects moisture and triggers an alarm or connected device instantly — giving you real-time awareness and control over your water management systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Voltage Support:\u003c\/strong\u003e Compatible with \u003cstrong\u003e5V, 12V, and 24V\u003c\/strong\u003e DC systems, making it easy to integrate into a wide variety of DIY and professional setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFail-Safe Relay Design:\u003c\/strong\u003e The relay is engineered to operate in the \u003cem\u003eenergized (active)\u003c\/em\u003e state during normal (dry) conditions — meaning even if the device is damaged, the connected alarm will still trigger for maximum reliability and safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity Detection:\u003c\/strong\u003e At low sensitivity settings, the sensor can detect moisture through wet paper and cloth — not just standing water, ensuring early warning before water accumulates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Relay Output:\u003c\/strong\u003e Features NO (Normally Open), NC (Normally Closed), and COM (Common) terminals, allowing you to configure the module for a wide range of alarm, shutoff, or notification systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Relay Ratings:\u003c\/strong\u003e Rated for 10A at 250V AC, 125V AC, 30V DC, and 28V DC — capable of switching real-world loads like pumps, buzzers, solenoid valves, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Mount:\u003c\/strong\u003e At just 53 × 31 × 19 mm, this module fits neatly into enclosures, panels, or custom project housings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e J132 | \u003cstrong\u003eBrand:\u003c\/strong\u003e LIHTNE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd; text-align:left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e5V \/ 12V \/ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRelay Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNO \/ NC \/ COM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRelay Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e10A 250V AC | 10A 125V AC | 10A 30V DC | 10A 28V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e53 × 31 × 19 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eJ132\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBasement and crawl space water intrusion detection\u003c\/li\u003e\n  \u003cli\u003eSump pump control and overflow monitoring\u003c\/li\u003e\n  \u003cli\u003eAquarium and fish tank level management\u003c\/li\u003e\n  \u003cli\u003eWashing machine and dishwasher leak monitoring\u003c\/li\u003e\n  \u003cli\u003eDIY home automation and Arduino\/Raspberry Pi projects\u003c\/li\u003e\n  \u003cli\u003eIndustrial water tank level control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eFail-Safe Operation:\u003c\/strong\u003e The relay is designed to be \u003cem\u003eenergized when no water is detected\u003c\/em\u003e. This means that even in the event of device damage, the connected alarm will continue to function — providing a reliable, always-on safety net.\u003c\/p\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eHigh Sensitivity:\u003c\/strong\u003e At low sensitivity settings, the module can detect moisture in wet paper or cloth, allowing for ultra-early detection before liquid accumulates.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on electrical safety when working with relay modules and DIY electronics, visit the U.S. Consumer Product Safety Commission – Electrical Safety Resources.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltages does the water leak sensor relay module support?\u003c\/h4\u003e\n\u003cp\u003eA: This relay module supports \u003cstrong\u003e5V, 12V, and 24V DC\u003c\/strong\u003e operating voltages, making it compatible with a wide range of DIY electronics platforms, microcontrollers, and industrial control panels.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if the module is damaged — will my alarm still work?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The relay is specifically engineered for fail-safe operation. It is designed to remain energized (active) when no water is present, so if the module is ever damaged, the connected alarm will still trigger — ensuring continuous protection for your property.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this sensor detect moisture on surfaces like wet cloth or paper, or only standing water?\u003c\/h4\u003e\n\u003cp\u003eA: At its low sensitivity setting, the module is sensitive enough to detect moisture on wet paper and cloth — not just pooled water. This allows for very early detection before a significant water level builds up.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of loads can I connect to the relay output?\u003c\/h4\u003e\n\u003cp\u003eA: The relay is rated for \u003cstrong\u003e10A at 250V AC, 125V AC, 30V DC, and 28V DC\u003c\/strong\u003e. This means you can connect buzzers, solenoid valves, water pumps, lights, or other alarm devices directly to the relay terminals (NO\/NC\/COM).\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltages does the water leak sensor relay module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This relay module supports 5V, 12V, and 24V DC operating voltages, making it compatible with a wide range of DIY electronics platforms, microcontrollers, and industrial control panels.\"}}, {\"@type\": \"Question\", \"name\": \"What happens if the module is damaged — will my alarm still work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The relay is specifically engineered for fail-safe operation. 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