This is a 220V 18W Double Colour DOB LED PCB. It operates on 220V AC. It has two IC, MB10F and Eight pin IC . MB10F is a bridge rectifier as a bridge rectifier is used to rectify the AC signal, which means it’s used to convert AC to DC voltage directly. This IC is used for the single-phase power supply. . Its double colour LED the no of LEDs it has 20. No of 10 LEDs are in White colour and the other 10 LEDs for Warm-White. Applications: Its mainly used in decorative products It’s used in home decor LEDs Headlight Street lights Features: Direct AC Source It has a total of 20 LED It has an inbuilt driver IC Its Diameter is 37mm Specifications No. of LEDs 30 Color White and Warm White Voltage 220V AC Dimensions 37mm Type DOB LED Power 18W