Specifications:The light can change different colors automatically.Stylish and classic rose-inside and heart shape design, fashion and exquisite.Also it can be an ideal decoration for your handbag, purse, keys, etc.Item Name: Key ChainGender: UnisexStyle: FashionMaterial: White Artificial CrystalQuantity: 1PcPowered by: 3 x AG1 Button Batteries(Included)Features: Couple Keychain, Auto Color Changing, Rose Flower Inside Design, Heart ShapeSize: 3.5cm x 3.5cm x 1.2cm/1.38" x 1.38" x 1.47" (Approx.)Total Length: 11cm/1.33" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Included:1 x Key Chain