Specification: Material: PS Size: 3.5x3.5cm Color: Multicolor Features: 1. Switch mode: liquid induction, light up when touched by water. 2. The product contains 3 1.5V AG3 button batteries (non-replaceable), which lasts 15-30 hours. 3. Put the luminous ice cubes into the water cleanly and it will automatically shine. After use, wipe it dry with a cloth and place it in a dry place for the next use. 4. Very suitable for party decoration: very suitable for Christmas parties, Christmas decorations, Christmas gifts, nightclubs, bars, karaoke parties, weddings, pool lights, champagne towers and other holiday decorations. 5. Before putting the luminous ice cubes into alcohol or beverages, please clean the surface of the product with clean water first, and do not put them in drinks with high temperature. The product cannot replace the battery. If you want to use it repeatedly, after removing the product from the liquid, wipe the sensor point of the product with a clean towel, so that it will stop emitting light and no longer consume electricity. Package includes: Luminous ice cube*12pcs Note: 1. Manual measurement, the size will have an error of 0.5-2mm, please refer to the actual size​​. 2. Due to the difference in light and screen, the color of the product may be slightly different from the picture. 1. Switch mode: liquid induction, light up when touched by water. 2. The product contains 3 1.5V AG3 button batteries (non-replaceable), which lasts 15-30 hours. 3. Put the luminous ice cubes into the water cleanly and it will automatically shine. After use, wipe it dry with a cloth and place it in a dry place for the next use. 4. Very suitable for party decoration: very suitable for Christmas parties, Christmas decorations, Christmas gifts, nightclubs, bars, karaoke parties, weddings, pool lights, champagne towers and other holiday decorations. 5. Before putting the luminous ice cubes into alcohol or beverages, please clean the surface of the product with clean water first, and do not put them in drinks with high temperature. The product cannot replace the battery. If you want to use it repeatedly, after removing the product from the liquid, wipe the sensor point of the product with a clean towel, so that it will stop emitting light and no longer consume electricity.