Ledytech 3.93'' LED Retrofit Light Kit for Ceiling Flush Light Ceiling Fan Light Replacement Panel PCB 18W Color Temperature Adjustable 3000K 4500K 6000K 1800LM 120V CRI90 Dimmable

18 watts Outside Diameter: 10CM/3.93inch Lumen: 122.22LM / W FOR 18-20 M2 ROOM Driver : Input AC120v 50/60Hz f Light temperature : 6000K - 4500K - 3000K Packing 1x led ceiling fan light retrofit panel with driver on the panel. Easy Installation Step1. Cut off the power supply. Step2. Remove the light source and BALLAST. Step3. Choose one method suitable for your fixture.(with magnets or screws) Step4. Connect wires positive to positive and negative to negative. Use Guide Intelligent Color Temperature Setting  Choose The Color Temperature You Only Need To On & Off The Light In 6.5 Second ，The First Time You Turn On The Light -White Light ，The Second Time You Turn On The Light -Warm Light ，The Third Time You Turn On The Light - Neutral Light . If You Choose The White Light And Use It For More Than 10 Seconds And It Will Be White Light Next Time You Turn On The Light ( Turn Off The Light And Give It 6.5 Seconds To Remember The C