Lightahead Solar Powered LED Stake Lights - Outdoor Garden Path Light Multi-Color Changing (Butterfly) The Lightahead Solar Powered Stake Light operates on 100% Renewable Solar Energy- No need to charge or get new batteries Ambient Light Sensor turns on light automatically when dark- Can also be controlled manually using the power switch The colorful glow is visible on the Butterfly, as well as the stem. Easy Installation- No wiring or external electricity required for use Made with high grade, waterproof material- No risk of damage from sprinklers or rain.