This solar-powered lights automatically turn on at dusk and off at dawn. Suitable for the courtyard, lawn, balcony and so on. No wiring or other power supply, no need to install. Directly insert it in the lawn. Automatically charging during the day, automatically lighting at night. Feature - Light Color: Blue Light. - Material: Glass. - Size: About 7 x 7 x 5cm. - Solar-powered lights automatically turn on at dusk and off at dawn. Each brick includes an embedded solar panel with AA 600mAh battery which will take 8 hours to be fully charged. - Constructed from durable glass, these brick lights are built to withstand hot weather, rain, mist and water spills. - Easy to install, no wiring or batteries required. Suitable for the courtyard, lawn, balcony and so on. - Light becomes through out the frosted glass, a creative decoration in garden to make romantic atmosphere. - Warm Tip: Dear buyer, due to lighting effect, monitor& 39;s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you