{"product_id":"8-16-channel-network-relay-control-module-w5100-iot-switch","title":"8\/16 Channel Network Relay Control Module W5100 IoT Switch","description":"\u003ch2\u003e8\/16 Channel Network Relay Control Module – Smart IoT Switching\u003c\/h2\u003e\n\u003cp\u003eTake control of your smart environment with this versatile \u003cstrong\u003e8\/16 Channel Network Relay Control Module\u003c\/strong\u003e. Powered by the W5100 network chip and equipped with a built-in 2A IoT module, this PCB-based switching board lets you remotely manage multiple devices or circuits simultaneously over the internet — ideal for home automation, industrial control, hotel management, office systems, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Channel Control:\u003c\/strong\u003e Choose between 8-channel or 16-channel configurations to simultaneously switch multiple devices or circuits with a single module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternet Remote Management:\u003c\/strong\u003e Monitor and control connected devices from anywhere via internet connectivity — no need to be on-site for flexible, efficient management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eW5100 Network Module:\u003c\/strong\u003e Utilizes the high-speed, stable W5100 network chip for reliable, efficient data transmission.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP2P Wi-Fi Router Support:\u003c\/strong\u003e Enables direct peer-to-peer device communication without relying on external servers, boosting both communication speed and security.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2A IoT Module Built-In:\u003c\/strong\u003e Quickly integrates with IoT platforms for seamless interconnection with other smart devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Switch Lifespan:\u003c\/strong\u003e Electronic switches rated for up to 100,000 operations for lasting, dependable performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Functions reliably from -30°C to 85°C, suitable for a broad range of environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Applications:\u003c\/strong\u003e Home automation, hotel and mall management, office operations, store monitoring, industrial control, power management, unmanned systems, and centralized ship\/engine room management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e8-Channel\u003c\/th\u003e\n\u003cth\u003e16-Channel\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003ePrinted Circuit Board (PCB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eExternal Power Supply\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 2A\u003c\/td\u003e\n\u003ctd\u003eDC 5.5V \/ 2A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNumber of Relays\u003c\/td\u003e\n\u003ctd\u003e8 pcs\u003c\/td\u003e\n\u003ctd\u003e16 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSwitch Lifespan\u003c\/td\u003e\n\u003ctd\u003e100,000 Times\u003c\/td\u003e\n\u003ctd\u003e100,000 Times\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C ~ 85°C\u003c\/td\u003e\n\u003ctd\u003e-30°C ~ 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 8 or 16 Channel Network Relay Control Switching Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow ±1–2 cm measurement tolerance due to manual measurement. Slight color variation may occur due to display settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eMade in China.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads – DIY Jewelry Making 100–200pcs\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the 8\/16 Channel Network Relay Control Module do?\u003c\/h4\u003e\n\u003cp\u003eA: This module allows you to remotely control 8 or 16 separate devices or circuits simultaneously via the internet. Using the built-in W5100 network chip and 2A IoT module, it connects to internet platforms and smart device ecosystems, making it ideal for home automation, industrial control, and centralized device management.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this module require an external server for Wi-Fi communication?\u003c\/h4\u003e\n\u003cp\u003eA: No. The module supports P2P (peer-to-peer) Wi-Fi router mode, enabling direct device-to-device communication without the need for an external server. This improves both response speed and data security.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply does the relay module need?\u003c\/h4\u003e\n\u003cp\u003eA: The 8-channel version requires a DC 5V \/ 2A external power supply, while the 16-channel version supports up to DC 5.5V \/ 2A. Ensure your power source meets these specifications for stable operation.\u003c\/p\u003e\n\u003ch4\u003eQ: What environments can this module operate in?\u003c\/h4\u003e\n\u003cp\u003eA: The module is designed to operate reliably across a wide temperature range of -30°C to 85°C, making it suitable for both indoor and demanding industrial or outdoor enclosure environments.\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 does the 8\/16 Channel Network Relay Control Module do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module allows you to remotely control 8 or 16 separate devices or circuits simultaneously via the internet. 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