High Performance solar lights stays lit for up to 12 hours Lights up automatically every night / auto off switch 2 High output LEDs for warm yellow candle light 2 long life AA Ni-MH rechargeable batteries included Durable White Vinyl (PVC) construction, will not fade or yellow. Will fit over an actual 5x5 or 4x4 post (4x4 adaptor included) Quick and easy Do It Yourself installation. 6 Lumens / 2700 3200 Kelvin Patent No: D616,134 S