Classy Caps PVC Prestige Solar Post Cap for 5 X 5 Posts, White High performance solar lights stays lit for up to 12 hours Lights up automatically every night auto off switch 3 high output LED's for brilliant White light 2 long life AA rechargeable batteries included Will fit over an ACTUAL 5"x5"pvc or 4.75 inch x 4.75 inch post (includes a 4.75"X4.75" adaptor) Candle Style LED Light High quality materials and construction Patented Design NO WIRING