{"product_id":"shelly-1pm-gen4-smart-relay-switch-wifi-zigbee-matter-relay","title":"Shelly 1PM Gen4 Smart Relay Switch - WiFi, Zigbee \u0026 Matter Relay","description":"\u003cp\u003eIn this review the Shelly 1PM Gen4 is assessed as a compact smart relay for DIYers who want remote control and accurate energy monitoring without a separate hub. The unit delivers a clear single reason to buy: it combines \u003cstrong\u003emulti-protocol connectivity\u003c\/strong\u003e with built-in power metering in a form factor that fits behind most wall switches and sockets, making retrofits straightforward and quick. Setup is typically under 10 minutes and the switch also acts as a Bluetooth gateway, so the device is best for those who want a flexible, space-saving way to automate individual appliances and track consumption.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi, Zigbee \u0026amp; Matter:\u003c\/strong\u003e Multiple wireless options let the relay integrate with a variety of hubs and ecosystems for broader smart home compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower metering:\u003c\/strong\u003e Real-time energy monitoring helps identify energy-hungry appliances like water heaters and washing machines so users can cut waste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth gateway:\u003c\/strong\u003e Acts as a local gateway to improve connectivity for other devices and expand a home network without extra hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact retrofit design:\u003c\/strong\u003e Small size fits behind most sockets and switches, enabling installation in existing wiring boxes without major changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp control and automation:\u003c\/strong\u003e The Shelly Smart Control app offers remote control, notifications, and scene creation to automate devices on a schedule.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Shelly 1PM Gen4 suits homeowners and renters comfortable with light electrical work who want to automate single appliances or sockets and also monitor energy use. It is particularly useful when you need a discreet device that hides behind existing switches while offering \u003cstrong\u003epower consumption tracking\u003c\/strong\u003e and voice assistant compatibility.\u003c\/p\u003e\n\u003cp\u003eIt is less ideal for users who need multi-channel relays or a preinstalled professional solution; those seeking a plug-and-play multi-outlet hub or integrated smart panel may prefer a different product. Also, buyers who require a dedicated proprietary hub should look elsewhere, since this device is designed to work hub-free or as part of a broader network.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlexible connectivity with WiFi, Zigbee and Matter for wide ecosystem support.\u003c\/li\u003e\n\u003cli\u003eBuilt-in real-time \u003cstrong\u003eenergy monitoring\u003c\/strong\u003e that helps reduce consumption and spot energy hogs.\u003c\/li\u003e\n\u003cli\u003eCompact form factor that fits behind most wall switches and sockets for neat installation.\u003c\/li\u003e\n\u003cli\u003eQuick setup and useful mobile app for remote control and scene creation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report mixed feelings about advanced functionality, so deep integrations may require additional configuration.\u003c\/li\u003e\n\u003cli\u003eSingle-channel design limits use to one circuit per device if you need to control multiple loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eShelly 1PM Gen4 smart relay switch (1-channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eWiFi, Zigbee, Matter, Bluetooth gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003e1 channel, 16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary function\u003c\/td\u003e\n\u003ctd\u003eRemote control and power metering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eCompact design fits behind switches and sockets, retrofit friendly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp\u003c\/td\u003e\n\u003ctd\u003eShelly Smart Control app for iOS and Android\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years device warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Shelly 1PM Gen4 is a solid choice for DIYers and homeowners who want a discreet, single-channel relay with \u003cstrong\u003eaccurate energy monitoring\u003c\/strong\u003e and broad connectivity. It offers excellent value for automating individual appliances and tracking power use, and the compact design plus quick setup make it a practical retrofit. Choose it when you need a reliable, hub-free smart relay that balances features and convenience.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this need a hub?\u003c\/strong\u003e\u003cbr\u003eThe Shelly 1PM Gen4 can operate hub-free over WiFi and also supports Zigbee and Matter; it can act as a Bluetooth gateway to extend connectivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it monitor power usage?\u003c\/strong\u003e\u003cbr\u003eYes, it provides real-time power metering for connected appliances so you can track consumption and identify energy-hungry devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it hard to install?\u003c\/strong\u003e\u003cbr\u003eInstallation is typically quick and compact, designed to fit behind most wall switches and sockets; basic wiring knowledge is recommended.\u003c\/p\u003e","brand":"Shelly Europe","offers":[{"title":"Default Title","offer_id":48634302660827,"sku":"B0F9LHQ4R1","price":103.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81MxhzPmtuL._SL1500.jpg?v=1778456673","url":"https:\/\/gearmusthave.com\/products\/shelly-1pm-gen4-smart-relay-switch-wifi-zigbee-matter-relay","provider":"GearMustHave","version":"1.0","type":"link"}