Classy Caps SL075W Pvc Majestic Solar Post Cap, 5" x 5", White High performance solar lights stays lit for up to 12 hours Lights up automatically every night 4 high output surface mount led's -3x brighter than standard led's 2 Long life AA NiCad rechargable batteries included Durable PVC construction - will not fade or yellow Will fit over an actual 5x5 PVC post Quick and easy Do It Yourself installation 15 Lumens/ 4500-5500 Kelvin Patent No: 6,581,335 B2 No: D460,570 S