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 that you can enter the 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 to rotate. 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. Rotating Solar Lamp Led Specification: Product material: Iron + ABS Product size: 15 x 21 cm / 5.91 x 8.27". Solar panel parameters: Polysilicon 2V 80MA Battery: AA battery 1.2V 400Mah Ni-MH Number of LED lights: 1 bright white LED light Package weight: 475g Package size: 19 x 19 x 23 cm / 7.48 x 7.48 x 9.06". Solar Energy Storage Energy storage via solar collectors.