{"product_id":"sayhon-sh2000-led-grow-light-full-spectrum-dimmable-4x4-coverage-with-uv-ir-bars-2-7-µmol-j","title":"SAYHON SH2000 LED Grow Light Full-Spectrum Dimmable 4x4 Coverage with UV \u0026 IR Bars, 2.7 µmol\/J","description":"\u003cp\u003e\u003cstrong\u003eThe SAYHON SH2000 is a 2026-updated, dimmable full-spectrum LED grow light with separate UV and IR bars designed to boost indoor plant yield and crop quality across a 4'x4' veg area.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for hobbyists and small commercial growers, the SH2000 combines high-output diodes, advanced thermal management and a selectable UV\/IR supplement to mimic natural sunlight through every stage of growth. It delivers 2.7 µmol\/J efficiency, broad-spectrum white and peak red wavelengths, silent fanless cooling, and a simple plug-and-play setup for tents, cabinets and workspaces.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the SH2000 improve plant growth compared with older LED fixtures?\u003c\/h3\u003e\n\n\u003cp\u003eThe SH2000 raises usable light delivery and spectral completeness so plants receive more of the wavelengths they use for photosynthesis and developmental signals. Its latest diodes and optimized spectrum increase light efficiency and can lead to higher yields under the same electrical draw.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2.7 µmol\/J photon efficiency for stronger PAR output per watt\u003c\/li\u003e\n  \u003cli\u003eDeep red 660nm plus broad 2700K and 5000K white light for balanced growth\u003c\/li\u003e\n  \u003cli\u003eDedicated UV (390nm) and IR (730nm) bar switches to fine-tune developmental responses\u003c\/li\u003e\n  \u003cli\u003eRated to retain 95%+ brightness after multi-year use due to thermal design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat coverage and light control can I expect in a 4x4 tent?\u003c\/h3\u003e\n\n\u003cp\u003eExpect full vegetative coverage across 4' x 4' and focused flowering coverage of roughly 3' x 3', with continuously adjustable intensity to match seedlings through harvest. The dimmer lets you dial in intensity from 0–100% (note: the dimmer changes output but does not function as an on\/off power switch).\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVegetative footprint: approximately 4' x 4'\u003c\/li\u003e\n  \u003cli\u003eFlowering footprint: approximately 3' x 3'\u003c\/li\u003e\n  \u003cli\u003eDimming range: 0–100% intensity adjustment\u003c\/li\u003e\n  \u003cli\u003eSimple plug-and-play setup — no complex wiring or assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy is the UV \u0026amp; IR supplement bar useful and how do I use it?\u003c\/h3\u003e\n\n\u003cp\u003eThe separate UV\/IR bar offers additional spectral bands that influence plant morphology, resin formation and flowering behavior when used strategically. Because UV and IR can stress plants if overused, the SH2000 provides a dedicated switch so you can enable or disable these bands during targeted growth phases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUV (390nm) supports secondary metabolite development when applied carefully\u003c\/li\u003e\n  \u003cli\u003eIR (730nm) can influence flowering transitions and stem elongation\u003c\/li\u003e\n  \u003cli\u003eBlue 460nm within the bar helps compact growth and leaf quality\u003c\/li\u003e\n  \u003cli\u003eIndependent control means tailored schedules without affecting main spectrum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow reliable is the SH2000 and what maintenance does it need?\u003c\/h3\u003e\n\n\u003cp\u003eDesigned for continuous indoor operation, the SH2000 uses a heavy-gauge aluminum heat sink and passive cooling to keep junction temperatures low, preserving light output and diode life. With the fanless design there’s no audible noise and minimal routine maintenance beyond periodic dusting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFanless aluminum heatsink lowers operating temperature significantly\u003c\/li\u003e\n  \u003cli\u003eMaintains \u0026gt;95% brightness after years of use under normal conditions\u003c\/li\u003e\n  \u003cli\u003eWorking voltage AC 100–277V for flexible installations\u003c\/li\u003e\n  \u003cli\u003e36-month local warranty and customer support from SAYHON\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Growers seeking a high-efficiency, low-noise LED with full-spectrum output and optional UV\/IR tuning will find the SH2000 well suited to tent, cabinet, and small commercial setups. It fits users who want strong PAR per watt, precise dimming, and a durable, maintenance-light fixture without complex assembly. If you need broad vegetative coverage with a targeted flowering footprint, or want independent control over UV and IR exposure for specific crop strategies, the SAYHON SH2000 is built to provide those capabilities with a straightforward, reliable user experience.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the SH2000 run on household voltage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The SH2000 supports AC 100–277V, so it works with standard household and commercial power supplies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the dimmer power the light on and off?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The dimmer adjusts intensity from 0–100% but does not act as the primary on\/off switch.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SAYHON","offers":[{"title":"Default Title","offer_id":56806206505300,"sku":"B08HC8TX1W","price":214.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/sayhon-sh2000-front-view.jpg?v=1786814189","url":"https:\/\/gardenluxe.co.uk\/products\/sayhon-sh2000-led-grow-light-full-spectrum-dimmable-4x4-coverage-with-uv-ir-bars-2-7-%c2%b5mol-j","provider":"Gardenluxe Uk","version":"1.0","type":"link"}