2 Pack Solar Wall Lights: With the polycrystalline PET Laminated solar panels, and the solar lights features 3 LED beads and a large 1800mAh battery that allows the solar lights to operate all night. Auto turn on at night, and auto turn off at daytime. Efficiency & Energy Saving: Thanks to the convex lens design of the LED beads,the light is effectively focused into a brighter, wider 6.6FT circular halo. Dusk to dawn solar lights can provide an extended working time of up to 8-10 hours after 7-8 hours of sunlight exposure. These fence lights powered by solar energy, helps save a significant amount on electricity costs over time