{"product_id":"dc-5v-4-channel-water-liquid-level-sensor-switch-module","title":"DC 5V 4-Channel Water Liquid Level Sensor Switch Module","description":"\n\u003ch2\u003eDC 5V 4-Channel Water Liquid Level Indicator \u0026amp; Controller Sensor Switch Module\u003c\/h2\u003e\n\u003cp\u003eMonitor and automate your water systems with precision using this compact \u003cstrong\u003eDC 5V 4-Digital Water Liquid Level Indicator Board Controller Sensor Switch Module\u003c\/strong\u003e. Designed for aquariums, fish tanks, household water towers, automatic pumping systems, and more — this versatile module delivers stable, reliable performance in a lightweight, easy-to-install package.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Range of Applications:\u003c\/strong\u003e Suitable for aquarium water change systems, water tower auto-fill, conductive liquid control, poultry \u0026amp; livestock automatic feeders, solenoid valve control, and water pump motor automation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measures just 32mm × 28mm × 11mm (with pin) or 32mm × 28mm × 3.5mm (without pin); weighs only 4.6g (with pin) or 3.3g (without pin).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple to Use:\u003c\/strong\u003e Easy integration with MCU IO ports — no complex wiring required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Performance:\u003c\/strong\u003e Delivers consistent readings with one power indicator LED and four water level indicator LEDs for clear visual feedback.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Configuration:\u003c\/strong\u003e Available with or without header pins to suit your project needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e DC 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e 7–12 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndicators:\u003c\/strong\u003e 1 power indicator + 4 water level indicators\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Interfaces:\u003c\/strong\u003e 4 water level output interfaces (Low: 0V \/ High: 3.7V) for MCU IO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Interfaces:\u003c\/strong\u003e 4 × 2P XH2.54 connectors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (with pin):\u003c\/strong\u003e 32mm × 28mm × 11mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (without pin):\u003c\/strong\u003e 32mm × 28mm × 3.5mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight (with pin):\u003c\/strong\u003e 4.6g | \u003cstrong\u003eWeight (without pin):\u003c\/strong\u003e 3.3g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplicable Uses\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHousehold water tower automatic water supply systems\u003c\/li\u003e\n  \u003cli\u003eAquarium \u0026amp; fish tank water change systems\u003c\/li\u003e\n  \u003cli\u003eWater tower automatic water injection \u0026amp; pumping\u003c\/li\u003e\n  \u003cli\u003eConductive liquid automatic control systems\u003c\/li\u003e\n  \u003cli\u003eAutomatic feeders for poultry and livestock farms\u003c\/li\u003e\n  \u003cli\u003eSolenoid valve, water pump motor, and automatic control applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProbe not included:\u003c\/strong\u003e Package does not include probes\/wires. A 2P male XH2.54mm wire and cable can be used as a probe and purchased separately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Always use a well-isolated DC power supply for safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Water Level Controller Panel Sensor Switch Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the working voltage of this water level sensor switch module?\u003c\/h4\u003e\n\u003cp\u003eA: This water liquid level indicator controller module operates at DC 5V with a working current of 7–12 mA, making it compatible with most standard microcontroller projects and USB-powered systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the package include probes or sensor wires?\u003c\/h4\u003e\n\u003cp\u003eA: No, the probe (wire) is not included in the package. You can use a 2P male XH2.54mm wire and cable as a probe, which is widely available for separate purchase or can be supplied from your own components.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What types of systems can this 4-channel water level sensor module be used with?\u003c\/h4\u003e\n\u003cp\u003eA: This module is highly versatile — it works with aquarium and fish tank water change systems, household water tower auto-fill setups, automatic pumping systems, solenoid valve controllers, livestock automatic feeders, and any application requiring automated monitoring of conductive liquid levels.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I connect this module directly to a microcontroller (MCU)?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module features four water level output interfaces with low-level output at 0V and high-level output at 3.7V, making it directly compatible with standard MCU IO ports for seamless integration into your automation projects.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the working voltage of this water level sensor switch module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This water liquid level indicator controller module operates at DC 5V with a working current of 7–12 mA, making it compatible with most standard microcontroller projects and USB-powered systems.\"}}, {\"@type\": \"Question\", \"name\": \"Does the package include probes or sensor wires?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the probe (wire) is not included in the package. 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