Features: 1Durable made of sturdy acrylic plastic unbreakable harmless to the human body. It can be used for a long time without worry. 2Easy to use just add liquid to activate the cup and the light will turn off when the cup is empty. 3The 7color sensor colorchanging cup the LED will flash when in use change the color and make people feel happy. 4The multipurpose cup can be used not only for drinking water but also as a gift or used in beverage competitions. 5Scope of application suitable for parties Christmas New Year's Eve birthdays weddings bars nightclubs or discos. Specification: Item Type: Light Up CupMaterial: AcrylicWeight: Approx. 113g / 4ozFlash Mode: Water sensorFlash Color: Seven colorsLuminous Duration: About 40 hoursBattery: 2xCR2025 300mAh (included) Package List: 1 xLight Up Cup Note: Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.