These LED G40 professional bulbs have a C9/intermediate/E17 base. [?]
Used with our C9 Cords or Commercial C9 Cords, they use SMD LEDs making them perfect replacements for incandescent look, are rated at 1 watts, are 1.5" in diameter, and have an average life of 25,000 hours.
LED is energy efficient and eco-friendly! Reduce power consumption by more than 90% compared with conventional bulbs. Furthermore, the low wattage allows you to run longer cord lengths.