Item Type: Finger Light Up Thumb Material: Plastic Weight: Approx. 100g / 3.5oz Size: Approx. 5.5cm / 2.2in Battery (Shipped with Inbuilt Battery): CR1220 Button Cell x 1, 3V, 40mAh Applicable Age: 14 Years Old and Above 1Battery Powered: Powered by button battery, it is an excellent lighting prop for Halloween, concerts, hiking and nightclubs. 2For People: These prop fake finger lamp is exquisite workmanship, suitable for most thumbs and fingers, suitable for children over 14 years old. 3Simple Operation: Automatically turns on when inserted into the fingertip, turns off when removed and secretly turns on the light under pressure from the thumb tip. 4Performance Prop: You can pass the light from one hand to the other, making it disappear and reappear for various effect shows. 5Plastic: Light up finger tips are made of plastic, which is hard wearing and durable and can be used for a long time.5 x Pair of FingerLightUpThumb (Shipped with Inbuilt Battery)