Soldering free : 50W cob led can input AC120V or 240V, It no need extra driver and free driver for cob led chip.
Integrally IC can be dimmable from 0% to 100%.
Flicker for each cob led chip.
Long lifetime is for 50,000 hours.
Ceramic PCB is more better for heat transfer.
lighting source type
color temperature range（K）
l How to match with heatsink
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) can be lighted up only with a small radiator.
Suggested size of heatsink
Silicone thermal pad
The highest temperature of heatsink
If you have interested in it, please advice any time!