5V USB to E14 Socket design,you can easily make a lamp with your charger,It can be used for table lamps, bedroom lamps, chandeliers, Christmas stars, etc. Included 2 pcs E14 LED Bulbs,5-6V E10 bright led lamps,2700K,warm white. The E14 socket has good conductivity and is durable and can be easily connected to the bulb.Cable line 2 meters. Easy to install: installation is very simple. You don't have to go to a professional repair shop. Install only the appropriate bulb in the bulb holder and then screw the bulb holder onto the lamp. Notice:The connected power supply is 5V, and the range of the bulb must be 4.5V-6V, otherwise the bulb will not work.