{"product_id":"wireless-controller-pj-4-knob-series-1","title":"Wireless Controller PJ-4 Knob Series","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eThe Wireless Controller PJ-4 Knob Series provides intuitive wireless control for compatible smart lighting systems through a sleek rotary knob interface.\u003c\/strong\u003e Easily turn lights on or off, adjust brightness with a simple rotation, and recall customized lighting scenes without the need for hardwired wall controls.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for quick, wire-free installation, the controller mounts to virtually any flat surface using the included adhesive backing, making it ideal for new construction, remodels, and retrofit lighting applications.\u003c\/p\u003e\n\u003cp\u003ePowered by \u003cstrong\u003e2 × AAA batteries (included)\u003c\/strong\u003e, the PJ-4 Knob Series communicates wirelessly using \u003cstrong\u003eLeMesh Inside 2.4G Mesh technology\u003c\/strong\u003e and supports select Bluetooth Mesh and Wi-Fi lighting ecosystems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWireless rotary lighting controller\u003c\/li\u003e\n\u003cli\u003eSmooth \u003cstrong\u003erotary dimming control\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOne-touch scene recall\u003c\/li\u003e\n\u003cli\u003eOn\/Off lighting control\u003c\/li\u003e\n\u003cli\u003eWireless installation — \u003cstrong\u003eno control wiring required\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSurface mounts using included adhesive backing\u003c\/li\u003e\n\u003cli\u003ePowered by \u003cstrong\u003e2 × AAA batteries (included)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLeMesh Inside \u003cstrong\u003e2.4G Mesh\u003c\/strong\u003e wireless communication\u003c\/li\u003e\n\u003cli\u003eSupports:\n\u003cul\u003e\n\u003cli\u003eLeMesh Inside\u003c\/li\u003e\n\u003cli\u003eSIG Mesh\u003c\/li\u003e\n\u003cli\u003eTuya Bluetooth\u003c\/li\u003e\n\u003cli\u003eXiaomi Bluetooth\u003c\/li\u003e\n\u003cli\u003eXiaomi Wi-Fi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWireless range up to \u003cstrong\u003e98 ft (30 m)\u003c\/strong\u003e line of sight\u003c\/li\u003e\n\u003cli\u003eUltra-low standby current: \u003cstrong\u003e\u0026lt;5 μA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperating temperature: \u003cstrong\u003e-4°F to 140°F (-20°C to 60°C)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModern, low-profile design\u003c\/li\u003e\n\u003cli\u003eGray finish\u003c\/li\u003e\n\u003cli\u003eIdeal for residential and commercial lighting control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Model\u003c\/h2\u003e\n\u003ch3\u003eGray\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eColor\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eProduct Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003ctd\u003eLE.02.-05107\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWireless Rotary Lighting Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePJ-4 Knob Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eSurface Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eAdhesive Backing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eLeMesh Inside 2.4G Mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Protocols\u003c\/td\u003e\n\u003ctd\u003eLeMesh Inside, SIG Mesh, Tuya Bluetooth, Xiaomi Bluetooth, Xiaomi Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless Range\u003c\/td\u003e\n\u003ctd\u003eUp to 98 ft (30 m), Line of Sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003e2 × AAA Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatteries Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;5 μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-4°F to 140°F (-20°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003ePerfect for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eResidential Lighting\u003c\/li\u003e\n\u003cli\u003eSmart Homes\u003c\/li\u003e\n\u003cli\u003eLuxury Homes\u003c\/li\u003e\n\u003cli\u003eHotels\u003c\/li\u003e\n\u003cli\u003eRestaurants\u003c\/li\u003e\n\u003cli\u003eRetail Stores\u003c\/li\u003e\n\u003cli\u003eJewelry Showrooms\u003c\/li\u003e\n\u003cli\u003eOffice Spaces\u003c\/li\u003e\n\u003cli\u003eHospitality Lighting\u003c\/li\u003e\n\u003cli\u003eArchitectural Lighting\u003c\/li\u003e\n\u003cli\u003eLED Lighting Control\u003c\/li\u003e\n\u003cli\u003eWireless Retrofit Installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Wireless Controller PJ-4 Knob\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 × AAA Batteries\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Adhesive Mounting Pad\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eUser Documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible With\u003c\/h2\u003e\n\u003cp\u003eDesigned for compatible lighting systems supporting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLeMesh Inside 2.4G Mesh\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSIG Mesh\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTuya Bluetooth\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eXiaomi Bluetooth\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eXiaomi Wi-Fi\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eCompatibility depends on the lighting system, receiver, gateway, and control configuration being used.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose the PJ-4 Knob Series?\u003c\/h2\u003e\n\u003cp\u003eThe Wireless Controller PJ-4 Knob Series provides a simple and elegant way to control compatible smart lighting without installing additional control wiring. Its rotary interface offers intuitive brightness adjustment, On\/Off control, and convenient access to programmed lighting scenes.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003ewireless 2.4G Mesh communication\u003c\/strong\u003e, adhesive surface mounting, and included AAA batteries, the PJ-4 Knob Series provides a clean and flexible control solution for modern residential, hospitality, retail, and commercial lighting applications.\u003c\/p\u003e","brand":"Diamond Brite LEDs","offers":[{"title":"Default Title","offer_id":49020782805131,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/5776\/4747\/files\/ChatGPTImageAug5_2026_04_17_09PM.png?v=1785962287","url":"https:\/\/www.diamondbriteleds.com\/products\/wireless-controller-pj-4-knob-series-1","provider":"Diamond Brite LEDs","version":"1.0","type":"link"}