GlowCity Light Up Basketball-Uses Two High Bright LED's (Official Size and Weight) OFFICIAL LIGHT UP BASKETBALL: As seen on Dude Perfect Our Ball Uses Two Hi-Bright LEDS Rather than One LED. This allows the entire ball to illuminate with fire like Glow. IMPACT ACTIVATED: works while playing with it, Entire Ball Illuminates from the inside creating a really bright glowing basketball then shuts off automatically when not in use. DURABLE: Our Basketballs are well made and perfect for night games. You will be amazed how much fun you will have with this Ball playing at night. BATTERIES INCLUDED: Ready for use, just fill it up with air and prepare to be amazed. With the two LED's pre-installed you will be ready to play. Batteries are also Replaceable for continued use. FIRST CLASS CUSTOMER SERVICE: GlowCity strives to provide the best customer service to our customers. We provide a 60-day hassle free repair/replace guarantee on all our products.