2 Packs 4" Round Dimmable LED Light Engine, CCT Selectable 2700K–5000K, 17W 120V, 80CRI, TRIAC Dimming, 4" PCB (5.39" Overall), Retrofit Kit for Ceiling Light Fixtures

Easy Installation Step1. Cut off the power supply. Step2. Remove the lamp socket(s) and BALLAST. Step3. Choose one installation method suitable for your fixture. Dome(not for 3 inch light engine), junction-box or surface mounting. Step4. Connect wires, white to white, black to black and ground to ground. Much more detailed installation information could be found on user manual comes with each item.Long LifespanLegental LED light engine is rated at 40,000 hours. It is 4x longer than CFLs(10,000hours) and much longer than incandescents, meaning far fewer service cycles and far fewer replacement bulbs.Excellent Heat ManagementBacked with a tough steel heat sink, Legental LED light engine has better performance in heat dissipation, which allows delivers longer life than other LED module. Rugged design bulid to last.5-year Limited WarrantyLegental LED light engine backed up a 5-year limited warranty from the purchase day, guaranteeing the need for minimal services or replacements.Totally Flicker FreeFlicker Rate <30% @ dim to 20% lumen output High CRIWith 80+ CRI, Legental LED light engine bring you into a vivid world.Specification:-Size: Overall 5.39", PCB diameter 4"-Power: 10watt-Voltage: 120V-Control: Triac Dimming-Brightness: 900LM@2700K/1000LM@3000K,3500K,5000K/1200LM@4000K-Color Temperature: 2700K-5000K Selectable-CRI: 80+-Operating Temperature: 0°F to 104°F.

• 2x40watt incandescent, 2x11watt CFL or 20watt T9 circline equivalent while only 10watt used, at least 72% energy saving, drastically reduce your electricity bill, Energy Star certified
• With the latest integral driver-on-board(DOB) and 122V AC drive technology, no extra external AC-DC driver needed, high-end solution to retrofit your fancy ceiling lights
• CCT Selectable, Down to 5% triac dimming capacities, totally flicker free, much even lights and no more ugly light spot, 82+ CRI(Color Rendering Index), multiple and easy installation
• 40,000 hours lifespan, it is 4x longer than CFLs(10,000hours). 7 years limited warranty, suitable for damp location, lowest maintenance, risk-free purchase
• Application: ceiling fan light, pandent, ceiling light, lantern light, garden light and other fixtures which have a plate to attach this retrofit kit. Check the inner diameter of your fixture before place an order