USB Powered LED Bulb / Green 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 adjust the brightness. Although it is new, it has been opened for operational testing, so please be aware of this. When used in a car, the LED will turn OFF when the engine is turned OFF, and the brightness setting will reset. 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※