Features: Use LED thermal transfer technology to transfer patterns or text onto the surface of acrylic, giving the keychain a luminous effect that is unique and attractive. Not only is it a regular keychain, but it can also be used for various purposes such as decorations, handbag pendants, etc. Made of acrylic material, it has durability and transparency, making the luminous effect brighter. The keychain is equipped with an LED lighting system inside, which can achieve a luminous effect by pressing the button, adding a fashionable and cool atmosphere. Suitable as a gift for family and friends, the LED illuminated keychain can be used as a unique and practical gift, bringing surprise and joy to the recipient. Specifications: Material: ABS Style: Round 1/Square 2 Size: As shown in the picture Battery: CR2025 (not included) Package Includes: 1x Keychain note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.