{"product_id":"sonoff-4ch-pro-r3-wifi-rf-smart-relay-switch-with-4-channels-no-nc-and-dry-contact-support","title":"Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO\/NC and dry contact support","description":"\u003cp\u003eSonoff 4CH PRO R3 is Sonoff’s premium 4-channel smart switch relay, released in July 2020. Equipped with both WiFi and 433MHz RF receiver, it is both remotely contollable via Internet and smartphone, and locally by RF remote controller. Supports momentary switching, dry contact (voltage free) switching and interlock mode to support AC and DC motor operations.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 4CHPROR3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol:\u003c\/strong\u003e Wi-Fi, RF 433 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e white\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 14.5 × 9 × 3.4 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 6920075775815\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sonoff","offers":[{"title":"Default Title","offer_id":66192466182493,"sku":"SON-REL-4CHP-R3","price":34.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7409\/1101\/files\/SON-REL-4CHP-R3.jpg?v=1791787478","url":"https:\/\/shop.wenergo-systems.hr\/en-si\/products\/sonoff-4ch-pro-r3-wifi-rf-smart-relay-switch-with-4-channels-no-nc-and-dry-contact-support","provider":"Wenergo Shop","version":"1.0","type":"link"}