The solar-powered lights automatically turn on at dusk and off at dawn. Each brick includes a built-in solar panel with a 600mAh AA battery that will take 8 hours to fully charge. Constructed from durable glass, these light bricks are designed to withstand high heat, rain, mist, and water spills. Easy to install, no wiring or batteries required. Suitable for courtyard, lawn, balcony, etc. These solar lights automatically turn on at dusk and off at dawn. Suitable for courtyard, lawn, balcony, etc. No wiring or other power supply, no need to install. Insert it directly into the lawn. Automatically charges during the day, automatically turns on at night. Feature - Light Color: White Light. - Material: Glass. - Size: About 7 x 7 x 5 cm. Package Including 2 x Solar Light Bricks