Poeland Led Parasol Light 3500K Warm White SUPER BRIGHT - 24 powerful big Leds,300 Lumens Self-adjusting clamps can fit almost any pole that is 23-50mm in diameter The quick-release button allows easy mounting and removal. No tools required. 4 x AA batteries (Not included) - Commonly available batteries which can be purchased anywhere. Brand new batteries will provide 6-8 hours of illumination, the first 4 hours will be the brightest