This LED bulb driver for a 9W LED bulb is an electronic device that regulates the electrical current flowing to the bulb. The driver is designed specifically for use with LED bulbs and is necessary to ensure that the bulb receives the correct amount of power and operates efficiently.  Output Wattage: 9W  Input Voltage: 80V – 300V  Output Voltage: 54V to 82V  PF: 0.97  Tough Design  Longer life Product Includes: 1 x 9W LED Bulb Driver