Classy Caps 4x4 Windsor LED Solar Fence Post Cap, 3-1/2" or 4" Post

€ High Performance solar lights - stays lit for up to 10 hours € Casts a brilliant white light downward onto the outside walls of the post cap and surrounding area € Lights up automatically every night / auto-off switch € High output surface mount LED technology € 3x brighter than standard LED's € 1 long life AA Ni-Mh rechargeable battery included € Available in White PVC - won't fade or yellow € Will fit over an actual 4"x4" or 3.5"x3.5" post. (3.5"x3.5" adaptor included) € Adaptor for a 5"x5" post sold separately. 5"x5" adaptor - Model # SL4455 - White Patent No : 6,581,335 B2