Finish:Electroplated Copper, Light Bulb:LED Ambience 4" x 4" Solar Post Cap The ultimate in solar accent lighting. Ideal for railings, fences, mailboxes, walkways and patio tables - anywhere a soft accent light is desired. Solar post caps add radiance and allure and contribute security and value to your property. High Performance solar lights stays lit for up to 12 hours Lights up automatically every night Auto off switch 2 High output LED"s for warm yellow candle light 2 long life AA NiCad rechargeable batteries included Fits over an actual 4 x 4 PVC post or nominal 4 x 4 wood post (3.5 x 3.5 adapter included) Electroplated Copper finish for wear resistance and corrosion protection