The COB light’s full form is Chip On Board lights. It is a chip made up of small diode combined in parallel and series to form a chip that is capable of giving a high concentration of light called a high luminous intensity chip.
The colors available are CW, NW, WW.
The watts of available COB are 1 Watts | 3 Watts | 6 Watts | 9 Watts | 12 Watts |18 Watts | 20 Watts | 30 Watts | 50 Watts.