{"product_id":"shelly-plus-i4-ul-wifi-4-digital-inputs","title":"Shelly Plus i4 UL WiFi 4 Digital Inputs","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Shelly Plus i4 UL is a compact Wi-Fi input controller designed to transform up to four standard wall switches or push buttons into powerful smart home controls. Unlike a relay, the Plus i4 UL does not switch electrical loads directly. Instead, it detects switch actions and uses them to trigger automations, scenes, or commands for other Shelly devices and compatible smart home systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePerfect for residential and commercial automation, the Plus i4 UL fits behind most existing wall switches, allowing you to create advanced lighting controls, multi-button keypads, scene activation, and custom automation without changing the appearance of your installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eFour independent switch inputs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUL Listed for North American installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWi-Fi connectivity with no hub required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBluetooth support for fast setup and device pairing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-click detection including single, double, triple, and long press actions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports custom scripting for advanced automation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMQTT, HTTP API, and webhooks for third-party integrations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEmbedded web interface for local configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with Shelly Smart Control, Home Assistant, Node-RED, and other automation platforms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact design fits inside most standard electrical wall boxes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shelly Plus i4 UL\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDevice Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Smart Wi-Fi Input Controller (No Relay Outputs)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePower Supply:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 110–240 VAC ±10%, 50\/60 Hz\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInputs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4 switch\/button inputs\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWireless Connectivity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wi-Fi 802.11 b\/g\/n (2.4 GHz)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBluetooth:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bluetooth 4.2 for device inclusion and gateway functionality\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProcessor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ESP32 dual-core microcontroller\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMemory:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8 MB Flash\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePower Consumption:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Less than 1.2 W\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOperating Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e -20°C to 40°C (-5°F to 105°F)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 42 × 37 × 16 mm (1.65 × 1.46 × 0.63 in)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInstallation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Fits behind standard wall switches and push buttons\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eControl Methods:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Local web interface, Shelly Smart Control app, MQTT, REST API, HTTP\/HTTPS webhooks, JavaScript scripting\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Home Assistant, Node-RED, SmartThings, and other platforms supporting Shelly integrations\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCertifications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e UL Listed, FCC, IC, Wi-Fi Certified\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SHELLY","offers":[{"title":"Default Title","offer_id":47763362873597,"sku":"SHELLY-PLUS-I4UL","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/7528\/3094\/files\/i4UL2.webp?v=1782488888","url":"https:\/\/www.absoluteautomation.com\/products\/shelly-plus-i4-ul-wifi-4-digital-inputs","provider":"Absolute Automation USA","version":"1.0","type":"link"}