SOLAR POWERED NO ELECTRIC BILLOnce you install the light, you can just leave it alone. It absorb sunlight at daytime and automatically flash at night and darkness, no need to turn on the switch or connect wire. 3 LED SUPER BRIGHT and SHINE FARTHERUnique 3 eagle eye lens and angel eye lens make the light brighter and shine farther. SUPER WATERPROOF and LONG LIFESPANwaterproof level and corrosion resistance prolong the lifespan of flashing light, dont have to replace the light frequently. The light can get wet in the rain but it can't be soak in the water. NO SWITCH HIGH LEAKPROOFNESSNo switch means the light is fully sealed, no water can slip in because of the high density, ensure the long lifespan. MULTIPLE APPLICATIONIt can be installed on traffic cone, guardrail, construction machine..traffic, construction, dock, marine, or any place you want to install.