High Performance solar lights stays lit for up to 12 hours Lights up automatically every night / auto- off switch 2 high output surface mount LEDs for brilliant white light 1 long life AA Ni- MH rechargeable battery included Manufactured from a durable powder coated Brown aluminum Will fit over an actual 6x6, 5.5x5.5 or 5'x5'post (adaptor included) Quick and easy Do It Yourself installation. 10 Lumens / 4500 5500 Kelvin