Powered by free solar energy and no electricity required. The solar panel supports longterm operations. They will come on automatically at night and turn off automatically at dawn. There is a switch ON/OFF on the light cover, make sure you turn the switch to ON position before charging. Weatherresistant, suitable for outdoor use, no worries about rain, snow, frost, or sleet. Easy to install, NO WIRES. Push the stake into the soil, it just takes a few seconds. We provide 2 stakes, one normal, one elevated, you can use according to different needs. 3 lumens, IS DESIGNED FOR DECORATION, MAYBE NOT BRIGHT ENOUGH, BUT THE LIGHT IS WARM AND GENTLE. Add a charming, decorative glow to your pathways, decorate your garden, porch or yard. Measures: 2.32 x 2.32 x 14.5 inch. When you receive solar lights, please turn the ON/OFF switch at the light cover to ON position then place the light cover upside down at the table to check whether the lights will light up or not. If the lights stop working, please order Solar Lights Replacement Top (ASIN: B07CTM1N51) in our store to replace or contact us.