{"product_id":"2x2-led-back-lit-panel-light","title":"2英尺X2英尺LED面板灯","description":"\u003csection class=\"spec-page\"\u003e\u003c!-- FULL-WIDTH CAROUSEL (Top) --\u003e\n\u003csection aria-label=\"Product photos\" class=\"spec-carousel\"\u003e\n\u003cdiv id=\"cobCarousel\" class=\"spec-carousel-track\" tabindex=\"0\"\u003e\n\n\u003cdiv class=\"spec-carousel-slide\"\u003e\u003cimg loading=\"eager\" alt=\"C\u0026amp;C Lighting 2x2 LED back-lit panel light installed in exposed T-bar grid ceiling in modern open-plan office.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0986\/0548\/files\/2x2-led-backlit-panel-office-ceiling-installation.png?v=1778870233\"\u003e\u003c\/div\u003e\n\n\u003c!-- Add more images like this when you have them --\u003e\n\n\u003c\/div\u003e\n\n\u003cbutton data-carousel-prev=\"\" aria-label=\"Previous photo\" type=\"button\" class=\"spec-carousel-btn prev\"\u003e‹\u003c\/button\u003e \u003cbutton data-carousel-next=\"\" aria-label=\"Next photo\" type=\"button\" class=\"spec-carousel-btn next\"\u003e›\u003c\/button\u003e\n\u003cdiv data-carousel-dots=\"\" aria-label=\"Carousel navigation\" class=\"spec-carousel-dots\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003cscript\u003e\n(function () {\n  const carousel = document.querySelector(\".spec-carousel\");\n  if (!carousel) return;\n\n  const track = carousel.querySelector(\".spec-carousel-track\");\n  const slides = Array.from(carousel.querySelectorAll(\".spec-carousel-slide\"));\n  const prevBtn = carousel.querySelector(\"[data-carousel-prev]\");\n  const nextBtn = carousel.querySelector(\"[data-carousel-next]\");\n  const dotsWrap = carousel.querySelector(\"[data-carousel-dots]\");\n\n  if (!track || slides.length === 0) return;\n\n  let currentIndex = 0;\n  let autoplayTimer = null;\n  const AUTOPLAY_MS = 5000;\n\n  function slideWidth() {\n    return track.getBoundingClientRect().width;\n  }\n\n  function clampIndex(i) {\n    if (i \u003c 0) return 0;\n    if (i \u003e slides.length - 1) return slides.length - 1;\n    return i;\n  }\n\n  function scrollToIndex(i, opts) {\n    currentIndex = clampIndex(i);\n    track.scrollTo({\n      left: currentIndex * slideWidth(),\n      behavior: (opts \u0026\u0026 opts.instant) ? \"auto\" : \"smooth\"\n    });\n    updateDots();\n    updateButtons();\n  }\n\n  function updateButtons() {\n    if (!prevBtn || !nextBtn) return;\n    prevBtn.disabled = currentIndex === 0;\n    nextBtn.disabled = currentIndex === slides.length - 1;\n    prevBtn.style.opacity = prevBtn.disabled ? \"0.45\" : \"1\";\n    nextBtn.style.opacity = nextBtn.disabled ? \"0.45\" : \"1\";\n    prevBtn.style.pointerEvents = prevBtn.disabled ? \"none\" : \"auto\";\n    nextBtn.style.pointerEvents = nextBtn.disabled ? \"none\" : \"auto\";\n  }\n\n  function buildDots() {\n    if (!dotsWrap) return;\n    dotsWrap.innerHTML = \"\";\n    slides.forEach((_, i) =\u003e {\n      const btn = document.createElement(\"button\");\n      btn.type = \"button\";\n      btn.className = \"spec-carousel-dot\";\n      btn.setAttribute(\"aria-label\", \"Go to slide \" + (i + 1));\n      btn.addEventListener(\"click\", () =\u003e scrollToIndex(i));\n      dotsWrap.appendChild(btn);\n    });\n    updateDots();\n  }\n\n  function updateDots() {\n    if (!dotsWrap) return;\n    const dots = Array.from(dotsWrap.querySelectorAll(\".spec-carousel-dot\"));\n    dots.forEach((d, i) =\u003e {\n      const active = i === currentIndex;\n      d.setAttribute(\"aria-current\", active ? \"true\" : \"false\");\n    });\n  }\n\n  function syncIndexFromScroll() {\n    const w = slideWidth();\n    const i = Math.round(track.scrollLeft \/ w);\n    const next = clampIndex(i);\n    if (next !== currentIndex) {\n      currentIndex = next;\n      updateDots();\n      updateButtons();\n    }\n  }\n\n  function startAutoplay() {\n    stopAutoplay();\n    autoplayTimer = window.setInterval(() =\u003e {\n      const next = (currentIndex + 1) % slides.length;\n      scrollToIndex(next);\n    }, AUTOPLAY_MS);\n  }\n\n  function stopAutoplay() {\n    if (autoplayTimer) window.clearInterval(autoplayTimer);\n    autoplayTimer = null;\n  }\n\n  if (prevBtn) prevBtn.addEventListener(\"click\", () =\u003e scrollToIndex(currentIndex - 1));\n  if (nextBtn) nextBtn.addEventListener(\"click\", () =\u003e scrollToIndex(currentIndex + 1));\n\n  track.addEventListener(\"scroll\", () =\u003e {\n    window.requestAnimationFrame(syncIndexFromScroll);\n  });\n\n  carousel.addEventListener(\"mouseenter\", stopAutoplay);\n  carousel.addEventListener(\"mouseleave\", startAutoplay);\n  carousel.addEventListener(\"focusin\", stopAutoplay);\n  carousel.addEventListener(\"focusout\", startAutoplay);\n\n  track.addEventListener(\"keydown\", (e) =\u003e {\n    if (e.key === \"ArrowLeft\") scrollToIndex(currentIndex - 1);\n    if (e.key === \"ArrowRight\") scrollToIndex(currentIndex + 1);\n  });\n\n  window.addEventListener(\"resize\", () =\u003e {\n    scrollToIndex(currentIndex, { instant: true });\n  });\n\n  buildDots();\n  scrollToIndex(0, { instant: true });\n  startAutoplay();\n})();\n\u003c\/script\u003e \u003c!-- HERO --\u003e\n\u003csection class=\"spec-hero\"\u003e\n\u003cdiv style=\"text-align: start;\" class=\"spec-hero-media\"\u003e\n\n\u003cbr\u003e\u003cimg alt=\"C\u0026amp;C Lighting 2x2 LED back-lit flat panel light with white aluminum frame and PMMA diffuser lens, front view on white background.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0986\/0548\/files\/2x2-led-backlit-panel-light-white-background.png?v=1778870328\"\u003e\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-hero-content\"\u003e\n\n\u003ch4 class=\"spec-title\"\u003e2×2 LED 背光平板灯\u003c\/h4\u003e\n\n\u003cp class=\"spec-tagline\"\u003e一款高效的背光 LED 面板灯，适用于外露式 T 型龙骨吊顶，可在办公室、零售店、工作室和学校环境中提供均匀、减少眩光的照明 — 采用超薄 38 毫米外形设计，价格具有竞争力。\u003c\/p\u003e\n\n\u003cdiv class=\"spec-stats\" aria-label=\"Key specifications\"\u003e\n\n\u003cspan\u003e高达 125 流明\/瓦\u003c\/span\u003e \u003cspan\u003e3500K \/ 4000K \/ 5000K\u003c\/span\u003e \u003cspan\u003e0–10V 可调光\u003c\/span\u003e \u003cspan\u003e50,000 小时寿命\u003c\/span\u003e \u003cspan\u003ecUL 认证\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0986\/0548\/files\/LED_Panel_Light_Spec_Sheet.pdf?v=1780510256\" class=\"spec-btn\" rel=\"noopener\" title=\"2x2 LED Back-Lit Panel Light Spec Sheet\" target=\"_blank\"\u003e 下载规格表 \u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003c!-- SUPPORT VISUAL --\u003e\u003c!-- FEATURES --\u003e\n\u003csection class=\"spec-features\"\u003e\n\u003ch2 class=\"spec-section-title\"\u003e亮点特性\u003c\/h2\u003e\n\n\u003cdiv class=\"spec-feature-grid\"\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e背光技术\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e采用带 PMMA 透镜的背光 LED 技术 — 不再受导光板 (LGP) 的限制。提供高均匀度和出色的效率，并显著降低后续维护成本。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e高效率\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e以 80 的显色指数实现高达 125 流明\/瓦的功效。2×2 型号工作功率为 40W、35W 或 20W（可通过拨码开关选择），最高功率下可产生高达 4,600 流明（冷白光\/自然白光）或 3,312 流明（暖白光）。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e超薄 38 毫米外形\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e厚度仅为 38 毫米，驱动器安装在侧框架上，使面板与 T 型格栅平齐且低调。面板总尺寸为 604×604 毫米，驱动器盒偏移量为 375 毫米。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e三功率拨码开关\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e驱动器上内置拨码开关，可在三种瓦数设置（40W、35W 和 20W）之间进行选择，无需重新接线。提供灵活性，可根据每个空间平衡光输出和能耗。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e0–10V 调光 + DALI 选项\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e标配 0–10V 调光（10% 至 100%）。对于需要高级照明控制集成的项目，还提供数字可寻址照明接口 (DALI) 驱动器选项。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e50,000 小时寿命\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003eLED 模块和驱动器均设计用于运行 50,000 小时 (L70B50)。光学模块永久密封，无需内部清洁，最大限度地减少长期维护要求。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e色温选项\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e提供 3500K、4000K 和 5000K 色温，SDCM 为 6，UGR 为 22。120° 光束角和朗伯极地分布确保工作区下方宽广舒适的覆盖范围。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e宽输入电压\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e接受 100–347Vac @ 50\/60Hz，与标准北美电气基础设施兼容。功率因数为 0.95，THD 低于 20%，确保清洁高效的电源消耗。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e材料与结构\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e透镜为 PMMA，框架为铝（RAL 9010 白色），背盖外壳为白色喷漆铁板。IP40 防护等级，IK02 抗冲击性，SELV 隔离驱动器在 3750Vdc\/5mA\/60S 下测试。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\u003c!--nl--\"\u003e\u003cdiv class=\"spec-feature-label\"\u003e易于 T 型格栅安装\u003c\/div\u003e\n\u003cdiv class=\"spec-feature-text\"\u003e设计用于外露式 T 型格栅吊顶作为默认安装方法（手册：92301）。也支持钢丝悬挂（手册：92203），使用附件套件 PJB.DJ002-2 (2×2 和 1×4) 或 PJB.DJ002-3 (2×4)。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e应用环境\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e适用于办公室、零售店、工作室和学校。高效率、可调光性和长寿命的结合使其成为任何需要可靠、均匀的顶棚照明的商业空间的实用选择。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature\"\u003e\n\n\u003cdiv class=\"spec-feature-label\"\u003e制造商\u003c\/div\u003e\n\n\u003cdiv class=\"spec-feature-text\"\u003e由位于加拿大安大略省康科德的 C\u0026amp;C Lighting 设计和分销。联系方式：info@candclight.com | 1-647-887-7403。适用于加拿大和美国各地的商业项目。\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003c\/section\u003e\n\u003c!--$1--\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e```\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003c\/section\u003e","brand":"C\u0026C Lighting","offers":[{"title":"Default Title","offer_id":32900929847381,"sku":"","price":65.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0548\/products\/2x2panel1.jpg?v=1605816390","url":"https:\/\/candclight.com\/zh\/products\/2x2-led-back-lit-panel-light","provider":"C\u0026C Lighting","version":"1.0","type":"link"}