{"product_id":"xh-m131-dc-12v-light-control-switch-photoresistor-relay-module","title":"XH-M131 DC 12V Light Control Switch Photoresistor Relay Module","description":"\u003cmeta name=\"description\" content=\"Buy XHM131 DC 12V Light Control Switch Photoresistor Relay Modul online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eXH-M131 DC 12V Light Control Switch Photoresistor Relay Module\u003c\/h1\u003e\n\n\u003cp\u003eQuality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe XH-M131 is a compact, intelligent light control module featuring an integrated photoresistor (light sensor) and relay switching mechanism. This DC 12V module automatically detects ambient light levels and triggers relay output, making it ideal for automatic lighting systems, security applications, and smart automation projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Light Detection:\u003c\/strong\u003e Built-in photoresistor (LDR) sensor for ambient light sensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC 12V Operation:\u003c\/strong\u003e Standard voltage compatible with most DIY and industrial systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Output:\u003c\/strong\u003e Reliable switching for controlling lights and other AC\/DC devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sensitivity:\u003c\/strong\u003e Potentiometer for fine-tuning light detection threshold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Small PCB form factor for easy integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Efficient operation suitable for 24\/7 applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectromagnetic relay with NO\/NC contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 10A @ 250VAC or 30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhotoresistor (LDR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable via potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1 second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 degreesC to +50 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompact module format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronics Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupport\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e - Sourced from trusted suppliers with verification\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFast Delivery\u003c\/strong\u003e - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Technical assistance available 24\/7\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Proven module for automation projects\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCost-Effective\u003c\/strong\u003e - Affordable solution for smart lighting needs\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Integration\u003c\/strong\u003e - Simple wiring and setup process\u003c\/p\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Detection:\u003c\/strong\u003e Photoresistor continuously monitors ambient light levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreshold Comparison:\u003c\/strong\u003e Module compares detected light against user-set threshold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Activation:\u003c\/strong\u003e When light falls below threshold, relay switches ON\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice Control:\u003c\/strong\u003e Connected load (lights, fans, etc.) activates automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Override:\u003c\/strong\u003e Adjustable sensitivity for custom lighting schedules\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eApplications \u0026amp; Project Ideas\u003c\/h2\u003e\n\n\u003ch3\u003eDIY Electronics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic street light controllers\u003c\/li\u003e\n\u003cli\u003eNight-mode activation systems\u003c\/li\u003e\n\u003cli\u003eHobby automation projects\u003c\/li\u003e\n\u003cli\u003eSmart home prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial lighting automation\u003c\/li\u003e\n\u003cli\u003eSecurity lighting systems\u003c\/li\u003e\n\u003cli\u003eWarehouse and facility management\u003c\/li\u003e\n\u003cli\u003eSmart building integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectronics and microcontroller projects\u003c\/li\u003e\n\u003cli\u003eSensor technology understanding\u003c\/li\u003e\n\u003cli\u003eRelay switching principles\u003c\/li\u003e\n\u003cli\u003eAutomation system design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x XH-M131 Light Control Relay Module\u003c\/li\u003e\n\u003cli\u003eConnection diagram and documentation\u003c\/li\u003e\n\u003cli\u003eTechnical support materials\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Wiring\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBasic Connection:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e+12V:\u003c\/strong\u003e Connect to positive DC power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND:\u003c\/strong\u003e Connect to negative\/ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay NO (Normally Open):\u003c\/strong\u003e Load positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay COM (Common):\u003c\/strong\u003e Load negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotentiometer:\u003c\/strong\u003e Adjust clockwise to increase light sensitivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, we source directly from authorized distributors with complete authentication verification. Every module is tested before shipping.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is the warranty coverage?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eFull 7-day warranty on manufacturing defects covering all manufacturing defects, component failures, and relay malfunctions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow fast is shipping?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eWe offer 1-5 day shipping, 7-8 day delivery to most locations in India from our Bengaluru warehouse. Express options available.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Full technical support is available via email and WhatsApp 24\/7. Our engineers can assist with wiring, troubleshooting, and project integration.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is your return and replacement policy?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only with full refund or replacement. applicable on manufacturing defects only if the module arrives damaged.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan this control AC loads?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! The relay can switch up to 10A @ 250VAC, making it suitable for controlling AC lights, fans, and other appliances.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs bulk pricing available?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAbsolutely! We offer wholesale discounts on orders of 10+ units. Contact us via WhatsApp for custom quotes.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow do I adjust the light sensitivity?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe module includes a potentiometer (variable resistor) on the PCB. Turn it clockwise to increase sensitivity or counterclockwise to decrease it.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat power supply do I need?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eA standard DC 12V power supply rated for at least 500mA. Can be powered by 12V battery, adapter, or power supply unit.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan multiple modules be used together?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Multiple XH-M131 modules can be connected to the same power supply for controlling different loads independently.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy From The Engineer Store?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eTrusted Supplier\u003c\/strong\u003e - Serving electronics enthusiasts and professionals since years\u003c\/p\u003e\n \u003cem\u003e\u003c\/em\u003eQuality Assured\n\u003ch2\u003eBuy XH-M131 DC 12V Light Control Switch Photoresistor Relay Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eXH-M131 DC 12V Light Control Switch Photoresistor Relay Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eXH-M131 DC 12V Light Control Switch Photoresistor Relay Module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eXH-M131 DC 12V Light Control Switch Photoresistor Relay Module\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43774761730211,"sku":"TES-EV8102584","price":232.03,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/xh-m131-dc-12v-light-control-switch-photoresistor-relay-module-6-800x800-1.jpg?v=1701087033","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/xh-m131-dc-12v-light-control-switch-photoresistor-relay-module","provider":"The Engineer Store","version":"1.0","type":"link"}