Glow stick with a convenient switch. Uses 3 LR41 button batteries. Initial batteries are included, but remaining life is unknown. Batteries are replaceable. Idol penlight, National Tour 2, all 9 types Star ⭐︎ Pink, approx. 9cm tall, with stand Idol light, all 5 types Yellow, "Stare for 3 seconds," approx. 11cm tall - Type: Light stick - Colors: Pink, Yellow - Accessories: With ball chain - Features: Glows, with switch Thank you for viewing.