A COB (Chip on Board) downlight uses a single, powerful LED chip mounted directly on a circuit board, unlike traditional downlights that use multiple LEDs. This design eliminates the need for multiple LEDs and their wiring, resulting in a more compact and efficient light source. 

Delta model has been designed in such a way it looks really eligent with Pocket friendly, it's comes in 7W,12W & 18W Wattages 

COB downlights are known for their high efficiency, strong light output, and compact design, making them suitable for various applications.