USB Powered LED Bulb / Warm White Spiral for sale. The issue of momentary illumination upon plugging into a USB port or powering on has been improved with a change in the production lot. Total Length: Approximately 65mm Glass Section: Approximately 50mm Diameter: Approximately 21mm Touch the top to turn ON/OFF, and long press to dim. Although new, it has been opened for operational testing, so please understand. When used in a car, the LED will turn ON→OFF and dimming will reset when the engine is turned OFF. Please check the condition in the images. Everything shown in the images is included. If you have any questions, please feel free to ask. ※Reproduction of the description is prohibited※