{"product_id":"shelly-1pm-gen4-wi-fi-zigbee-matter-smart-relay-switch-power","title":"Shelly 1PM Gen4 Wi-Fi Zigbee Matter Smart Relay Switch - Power","description":"\u003cp\u003eIn this review the Shelly 1PM Gen4 is examined as a compact retrofit smart relay for homeowners and DIYers who want remote control plus energy visibility. The bottom line: it is best for people who need a small, behind-the-switch device that provides \u003cstrong\u003epower metering\u003c\/strong\u003e alongside multi-protocol connectivity, because it pairs easily to a phone app and can be fitted in under 10 minutes without a hub. The device balances practical energy monitoring and simple automation with a footprint that fits most sockets and switches.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-protocol connectivity:\u003c\/strong\u003e Built-in Wi-Fi, Zigbee and Matter support allows flexible integration with different smart home ecosystems without requiring a separate hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower metering:\u003c\/strong\u003e Real-time energy monitoring shows consumption for appliances such as water heaters and washing machines so users can spot energy hungry devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact retrofit design:\u003c\/strong\u003e Small form factor fits behind most wall switches and sockets so installation is discreet and preserves existing wiring and plates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth gateway:\u003c\/strong\u003e Acts as a gateway to enhance local Bluetooth connectivity for other devices and increase overall network reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast setup and mobile control:\u003c\/strong\u003e Shelly Smart Control App enables configuration, scene creation and remote management with an advertised setup time under 10 minutes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product suits homeowners, renters with wiring access, and installers who want a single-channel relay that offers both switching and \u003cstrong\u003eenergy monitoring\u003c\/strong\u003e without buying a new hub. It is especially useful for controlling high-draw appliances on a schedule and for anyone who wants to identify and reduce energy waste.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for users who require multi-channel relays in a single module or who prefer a device that includes an external dedicated hub out of the box. Users who need advanced wired integration with non-compatible legacy systems should verify compatibility before purchase.\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\u003eAccurate real-time \u003cstrong\u003eenergy monitoring\u003c\/strong\u003e helps identify inefficient appliances and reduce costs.\u003c\/li\u003e\n\u003cli\u003eMultiple connectivity options (Wi-Fi, Zigbee, Matter) provide flexible integration with voice assistants and smart platforms.\u003c\/li\u003e\n\u003cli\u003eCompact design allows discreet installation behind switches and sockets for retrofit projects.\u003c\/li\u003e\n\u003cli\u003eQuick setup through the Shelly app and the inclusion of a Bluetooth gateway improve usability and reach.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report mixed experiences with advanced functionality, so power users may need patience tuning integrations.\u003c\/li\u003e\n\u003cli\u003eSingle-channel 16A limit means it is not suitable for multi-circuit or very high current single appliances beyond its rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice type\u003c\/td\u003e\n\u003ctd\u003e1-channel smart relay switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eWi-Fi, Zigbee, Matter, Bluetooth gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad rating\u003c\/td\u003e\n\u003ctd\u003e16A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary function\u003c\/td\u003e\n\u003ctd\u003eRemote switching and power metering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eCompact, fits behind switches and sockets\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 practical, value-focused smart relay for anyone who wants \u003cstrong\u003eon-device energy monitoring\u003c\/strong\u003e alongside flexible connectivity without a hub. It is a good buy for retrofit projects and appliance control where a single 16A channel is sufficient, offering dependable app control and helpful consumption insights at a competitive price.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this need a hub?\u003c\/strong\u003e\u003cbr\u003eNo, the Shelly 1PM Gen4 can connect directly via Wi-Fi and supports Zigbee and Matter without requiring a separate hub for basic operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it measure appliance power?\u003c\/strong\u003e\u003cbr\u003eYes, it provides real-time power metering so users can monitor consumption of devices like heaters and washing machines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs installation difficult?\u003c\/strong\u003e\u003cbr\u003eInstallation is designed to be compact and to fit behind most switches in under 10 minutes, though users should follow safety precautions for wiring.\u003c\/p\u003e","brand":"Shelly Europe","offers":[{"title":"Default Title","offer_id":48233394962651,"sku":"B0F923K4CG","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81e9GwZQR0L._SL1500.jpg?v=1770837087","url":"https:\/\/gearmusthave.com\/products\/shelly-1pm-gen4-wi-fi-zigbee-matter-smart-relay-switch-power","provider":"GearMustHave","version":"1.0","type":"link"}