{"product_id":"540-led-grow-light-panel-full-spectrum-10-level-3-modes-timer","title":"540 LED Grow Light Panel Full Spectrum, Indoor Plant Light 2 or 4 Pack","description":"\u003ch2\u003e540 LED Grow Light Panel — Full Spectrum 3 Modes \/ 10 Dimming Levels \/ 3 Timer Settings\u003c\/h2\u003e\u003cp\u003eMore LEDs, more light, more control. This high-density 540-LED full spectrum grow light panel delivers exceptional light output across a wide coverage area — ideal for larger plant collections, full seed trays, and multi-plant shelf setups. Three lighting modes, ten dimming levels, and three timer options give you complete control over your plants’ light environment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003ch3\u003e540 High-Density LEDs\u003c\/h3\u003e\u003cp\u003e540 individual LED chips packed into a single panel deliver uniform, high-intensity full spectrum light across the entire coverage area. No hot spots, no dark zones — every plant receives consistent light for even, healthy growth.\u003c\/p\u003e\u003ch3\u003e3 Lighting Modes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Spectrum Mode\u003c\/strong\u003e — all LEDs active for maximum output and all-stage growth support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarm\/Red Mode\u003c\/strong\u003e — promotes flowering, fruiting, and stem development\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCool\/Blue Mode\u003c\/strong\u003e — drives compact vegetative growth and strong root systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e10 Dimmable Brightness Levels\u003c\/h3\u003e\u003cp\u003eFine-tune light intensity from 10% to 100% across 10 precise levels. Match the light to your plants’ current growth stage, the season, and your room’s ambient conditions.\u003c\/p\u003e\u003ch3\u003e3 Timer Settings\u003c\/h3\u003e\u003cp\u003eBuilt-in auto timer with three cycle options to match different plant photoperiod requirements. Set once and maintain a consistent daily light schedule automatically.\u003c\/p\u003e\u003ch3\u003eUnder Cabinet Mount\u003c\/h3\u003e\u003cp\u003eSlim panel design mounts flush under shelves, cabinets, and grow rack tiers. Clean, low-profile installation that maximizes vertical growing space.\u003c\/p\u003e\u003ch3\u003e2-Pack or 4-Pack Options\u003c\/h3\u003e\u003cp\u003eChoose 2 panels for a single shelf or small setup, or 4 panels for full grow rack coverage. Consistent output across all panels for uniform plant development.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Count\u003c\/td\u003e\n\u003ctd\u003e540 LEDs per panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Spectrum\u003c\/td\u003e\n\u003ctd\u003eFull Spectrum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLighting Modes\u003c\/td\u003e\n\u003ctd\u003e3 modes (Full \/ Warm \/ Cool)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimming Levels\u003c\/td\u003e\n\u003ctd\u003e10 levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimer Settings\u003c\/td\u003e\n\u003ctd\u003e3 options (auto cycle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eUnder Cabinet \/ Shelf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e2-Pack \/ 4-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eIndoor plants, seed trays, grow racks, shelves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIdeal Plants\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e🌱 Seedlings \u0026amp; Seed Trays — high LED density ensures even coverage across full trays\u003c\/li\u003e\n\u003cli\u003e🌿 Herbs \u0026amp; Leafy Greens — basil, lettuce, spinach, microgreens\u003c\/li\u003e\n\u003cli\u003e🍅 Fruiting Vegetables — tomatoes, peppers, cucumbers under grow rack lights\u003c\/li\u003e\n\u003cli\u003e🌸 Flowering Plants — switch to warm mode to trigger and boost bloom\u003c\/li\u003e\n\u003cli\u003e🌵 Succulents \u0026amp; Cacti — high-output light for sun-loving species\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eUse Scenarios\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e🏠 Kitchen Shelf — mount under upper cabinets for a full herb garden\u003c\/li\u003e\n\u003cli\u003e📚 Multi-Tier Grow Rack — one panel per shelf for complete vertical coverage\u003c\/li\u003e\n\u003cli\u003e🧪 Seed Starting Station — 4-pack covers a full propagation setup evenly\u003c\/li\u003e\n\u003cli\u003e🌾 Greenhouse Bench — supplement natural light across wide bench areas\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e540 LED Grow Light Panels ×2 or ×4 (per selected option)\u003c\/li\u003e\n\u003cli\u003eMounting Hardware ×1 set\u003c\/li\u003e\n\u003cli\u003ePower Cable ×1\u003c\/li\u003e\n\u003cli\u003eUser Manual ×1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStart seedlings at lowest dimming level and increase gradually\u003c\/li\u003e\n\u003cli\u003eUse timer function to maintain consistent daily light cycles\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation in enclosed grow spaces\u003c\/li\u003e\n\u003cli\u003eNot designed for large floor plants — optimized for shelf and rack mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many do I actually get?\u003c\/h3\u003e\u003cp\u003eThe set runs to 540 pieces — that is the real count, not a rounded-up marketing number. It is the figure worth comparing against price when you are looking at similar sets.\u003c\/p\u003e\u003ch3\u003eWhat do I actually get?\u003c\/h3\u003e\u003cp\u003eThe photos and description lay out exactly what ships — every piece shown is in the set, at the size listed. That is the fastest way to see it as it arrives.\u003c\/p\u003e\u003ch3\u003eHow does the build quality feel?\u003c\/h3\u003e\u003cp\u003eThe materials are in the specs, and the finish in the photos is the real finish — this sits in the solid middle of its class, made to be used rather than coddled.\u003c\/p\u003e\u003ch3\u003eWill it work for my setup?\u003c\/h3\u003e\u003cp\u003eCheck the dimensions in the photos against your space or use case first — that one comparison answers it. The sizing details are printed right there for exactly this.\u003c\/p\u003e\u003ch3\u003eHow do I get started with it?\u003c\/h3\u003e\u003cp\u003eOut of the box it is ready for the use shown — the simple setup is in the photos and the notes are short. Most people are up and running in minutes.\u003c\/p\u003e\u003ch3\u003eIs it pet-safe?\u003c\/h3\u003e\u003cp\u003eThe materials listed are safe around pets and kids as used — keep fertilizers and treatments to the label directions and let everything dry before letting the dog investigate.\u003c\/p\u003e","brand":"Main Street Mercantile","offers":[{"title":"2 Packs","offer_id":68045097926699,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"4 Packs","offer_id":68045097959467,"sku":null,"price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/1162\/5259\/files\/f127cf0d-219a-4f6f-bd19-b5947ddd85b4.jpg?v=1793157291","url":"https:\/\/mainstreetmarketly.com\/products\/540-led-grow-light-panel-full-spectrum-10-level-3-modes-timer","provider":"Main Street Marketly","version":"1.0","type":"link"}