Illuminate your performances and adventures with these innovative Finger Light Up Thumbs, designed to fit most thumbs and fingers comfortably. Powered by a built-in CR1220 button battery, these lightweight and durable fingertip lights are perfect for Halloween, concerts, hiking, nightclubs, and other nighttime activities. Key Features: · Battery Powered Convenience: Equipped with a built-in CR1220 3V button battery, these finger lights deliver reliable illumination without the need for additional power sources. · Easy, Automatic Operation: Simply insert the light into your fingertip to activate it automatically. The light turns off when removed and can also be discreetly switched on by applying pressure with your thumb tip. · Engaging Light Performance: Designed for creative light manipulation, you can pass the illuminated tip from one hand to another, creating fascinating disappearing and reappearing effects for magic shows and performances. · Suitable for Teens and Adults: Sized approximately 4.5cm (1.8 inches), these finger lights are ideal for users aged 14 and above, ensuring a comfortable fit for most adult thumbs. · Durable PVC Construction: Made from high-quality PVC material, these light-up fingers are wearable, flexible, and built to withstand regular use with confidence. Specifications: · Item Type: Finger Light Up Thumb · Material: PVC · Product Size: Approx. 4.5cm / 1.8 inches · Battery: 1 x CR1220 Button Battery (3V, 40mAh) (built-in) · Applicable Age: 14 years and above · Weight: Approx. 85g / 3.0oz Package Includes: · Finger Light Up Thumb x 1 Bring creativity and fun to your nighttime activities with these easy-to-use Finger Light Up Thumbs. Their automatic light activation, durable material, and perfect size make them an excellent choice for magical performances, safety during outdoor night events, or simply adding a vibrant glow to your night.