GoSports LED Light Up Sports Cones (6 Pack), 9" LOW LIGHT TRAINING: Train or play in low light conditions for any sport - perfect for unlit fields and extending playtime into the night 100+ YARDS VISIBILITY: Bright LED cones that can be seen for 100+ yards, far superior than "glow in the dark" cone sets BATTERIES INCLUDED: Batteries last for 24+ hours and are incredibly easy to change (CR2032 batteries) LIGHT UP FEATURES: Cycle between solid color and strobe options with the easy push button switch GOSPORTS WARRANTY: GoSports is a US company with US customer support  100% customer satisfaction