MGA Official Light Stick Light Stick Mrs. GREEN APPLE Miniature Size Keychain Mini Penlight Purchased last month. This item is unopened. Light-up function has not been tested. Similar to the MGA Official Light Stick, you can enjoy the "Self Mode" by pressing the button yourself to change the light color. It does not sync with the "Sync Mode" performance that controls the lighting within the live venue. Please be aware of this beforehand. SIZE Body: Approximately Φ48 x Height 123mm Package: Approximately 51 x 51 x 126mm Batteries Used: Button battery (LR44) x 3 MATERIAL Body: ABS Resin Keychain: Zinc alloy, Nickel plating Package: Paper