This item 20W cob lamp chip is dimmable from 0% to 100%. No need flicker and with 50,000 hours long lifetime. Ceamic PCB can be good heat transfer. 95-100Ra is very high CRI and very high bright.
2-3years quality warranty. CE approval.
For DIY application, our AC COB can be directly connected to the 220V/120V power source.
In addition, the AC COB (such as 7W,15W,20W) can be lighted up only with a small radiator.
This one is very easy installed for any lighting.No need an extra driver. inputed 110V and 220V directly.
If you have any question, please advice any time!