Welcome to our store! These Battery Powered Finger Light Up Thumbs are a fun and versatile accessory suitable for most thumbs and fingers. They are perfect for adding a touch of light to your Halloween costume, concerts, hiking adventures, and nightclub outings. With simple operation, these finger lights automatically turn on when inserted into the fingertip and turn off when removed. They can also be secretly turned on by applying pressure from the thumb tip, allowing for a surprise light-up effect. These light up finger tips serve as an excellent performance prop, enabling you to pass the light from one hand to the other, creating captivating disappearing and reappearing acts for various show effects. Made of durable PVC material, these finger lights are wearable and long-lasting, providing you with confidence in their quality. They are the size of an adult thumb and are suitable for individuals over 14 years old. Each finger light comes with a built-in CR1220 button battery that delivers 3V and 40mAh of power. This set includes 5 pairs of Finger Light Up Thumbs, each measuring approximately 4.5cm/1.8in in size and weighing around 85g/3.0oz. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.