Classy Caps WG322 Stained Glass Wellington Solar Post Cap, 5" x 5" High performance solar lights stays lit for up to 10 hours Lights up automatically every night 4 high output led's for brilliant white light 2 long life AA rechargeable batteries included 3 adaptors included to fit over an ACTUAL 5 inch x 5 inch 4 inch x 4 inch or 3.5 inch x 3.5 inch post