Easy to Install: Remove the insulating tab under the cap and push the stake into the ground. The solar lights automatically turn on at night and off at dawn. Energy Saving: Powered by the sun. They will stay lit for up to 8 hours to illuminate your sidewalks for the night. Save your electricity bills. Weather Resistant: Designed to withstand sunny days, rainy nights, and light snowy days. Elegant Design: Perfect for any path. Decorate driveways, paths, gardens, yards, decks, and patios.