âThe 5 Watt HPF Driver Bulb is an energy-efficient lighting solution that combines a high-power factor (HPF) driver with a 5-watt LED bulb. This combination ensures stable performance and reduced energy consumption. The driver features a wide input voltage range of 90V to 320V AC and offers protections against short circuits and voltage surges up to 440V, enhancing the bulb's longevity. Suitable for various applications, this bulb provides reliable and efficient illumination. â