Signcomplex Ltd. Irene fu Dolux COB Downlight #cob#down#light Excellent thermal management to ensure the long lifetime of LED;External power supplier, ensure the lifetime of power supply and LEDsHigh efficient and energy-saving LED driver. ... moreDolux COB Downlight #cob#down#light Excellent thermal management to ensure the long lifetime of LED;External power supplier, ensure the lifetime of power supply and LEDsHigh efficient and energy-saving LED driver. https://www.signcomplex.com/products/dolux-cob-downlight/