{"product_id":"shelly-plus-1-ul-smart-relay-switch-compact-wifi-bluetooth-control","title":"Shelly Plus 1 UL Smart Relay Switch - Compact WiFi \u0026 Bluetooth Control","description":"\u003cp\u003eIn this review the Shelly Plus 1 UL is presented as a compact, retrofit smart relay for DIYers and homeowners who want to add intelligence to existing wiring without replacing appliances. The bottom line: it is for people who need a small, UL certified relay that fits behind switches and sockets and provides reliable \u003cstrong\u003eWiFi and Bluetooth\u003c\/strong\u003e control plus cloud and local options. The biggest reason to buy is its combination of a 15A single channel relay in a tiny form factor with support for remote access and secure protocols.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL certified relay:\u003c\/strong\u003e The Shelly Plus 1 UL offers a certified single-channel relay rated up to 15A so it can safely switch many household circuits and appliances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual connectivity:\u003c\/strong\u003e Built-in WiFi and Bluetooth let the device work locally or be controlled remotely via the Shelly app without a separate hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact retrofit design:\u003c\/strong\u003e Small enough to fit behind wall switches and sockets so existing fixtures can be upgraded without rewiring or major renovations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepeater capability:\u003c\/strong\u003e The unit can act as a WiFi repeater to improve connectivity for other devices in tight installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure communications:\u003c\/strong\u003e Support for MQTT, WSS and TLS plus custom certificates provides options for secure local or cloud automation setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp and voice integration:\u003c\/strong\u003e Works with the Shelly mobile app and integrates with voice assistants for hands-free control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Shelly Plus 1 UL suits homeowners, renters and installers who want to make lights, garage doors, irrigation systems, heaters or legacy appliances smart without buying new devices. It is ideal for people comfortable working in electrical boxes or who can hire a qualified electrician to install a compact relay behind a switch.\u003c\/p\u003e\n\u003cp\u003eIt may not be the best choice for someone who needs a multi-channel controller in a single module or a plug-in module that does not require wiring; users seeking a plug-and-play, non-wired solution should consider different product formats.\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\u003eSmall form factor that fits behind wall switches and outlets for clean installations.\u003c\/li\u003e\n\u003cli\u003eRobust connectivity with both WiFi and Bluetooth plus repeater function for flexible setups.\u003c\/li\u003e\n\u003cli\u003eWide appliance compatibility thanks to a potential-free contact and 15A rating.\u003c\/li\u003e\n\u003cli\u003eSecurity-minded features such as MQTT, WSS and TLS for local and cloud automation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires wiring and basic electrical knowledge or professional installation, so not truly plug-and-play.\u003c\/li\u003e\n\u003cli\u003eSingle channel only, so multiple relays are needed for multi-circuit control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eShelly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e1 channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003eUp to 15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eWiFi and Bluetooth (can act as WiFi repeater)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eiOS\/Android app, cloud and local access, voice assistant compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 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 Plus 1 UL is a practical, cost-effective option for anyone wanting to retrofit intelligence into existing electrical fixtures. Its \u003cstrong\u003ecompact size\u003c\/strong\u003e, secure connectivity and 15A relay rating make it good value for homeowners and installers who need a hidden, hard-wired control point rather than a plug-in smart device.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this switch be used with voice assistants?\u003c\/strong\u003e\u003cbr\u003eThe Shelly Plus 1 UL supports integration with major voice assistants through the Shelly cloud and local control options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need a hub to work?\u003c\/strong\u003e\u003cbr\u003eNo hub is required; the device operates over local WiFi or Bluetooth and can be controlled with the Shelly mobile app or cloud services.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs installation difficult?\u003c\/strong\u003e\u003cbr\u003eInstallation is straightforward for someone comfortable with in-wall wiring and the device fits in standard electrical boxes, but hiring a licensed electrician is recommended if unsure.\u003c\/p\u003e","brand":"Shelly","offers":[{"title":"Default Title","offer_id":48202259759323,"sku":"B07NS8M4Y1","price":44.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41UOzVXA4lL._SY445_SX342_QL70_ML2.jpg?v=1770275915","url":"https:\/\/gearmusthave.com\/products\/shelly-plus-1-ul-smart-relay-switch-compact-wifi-bluetooth-control","provider":"GearMustHave","version":"1.0","type":"link"}