With no wires and no electrical outlets needed, these outdoor lights automatically turn on at dusk to light the way to your door and illuminate windows for added security. Simply remove the insulating tab and the sun will power your solar lights giving you ambient lighting with no monthly bills. Solar power is renewable energy that is virtually maintenance-free. Going green is easy to accomplish with this set of LED lights. The AA rechargeable battery is included and assembly of your new outdoor solar lights takes less than 10 minutes for quick enjoyment. For best results, ensure the solar panels are in direct sunlight for a minimum of 6 hours and remain free from dust and debris by wiping them with a damp cloth.