Converted into electrical energy by the solar panel on the top. During the day, converted into electrical energy by the solar panel and stored in the rechargeable battery. At night (you can also block the solar panel with your hand, so you can enter night mode), when the solar panel can no longer charge the battery, it will automatically turn on, and at the same time, the cup lamp will start rotating. Suitable for use in courtyards, lawns, balconies, etc. No wiring or additional power supply, no installation, directly placed on the lawn, automatic charging during the day and automatic lighting at night.