... be more memorable.3. Decoration gift, makes your product be more elegant.4. Promotional gift, makes your product outstanding.5 ... with colorful LED light, widely applied for wearable, souvenir, decoration gift, promotional gift, children's toys, festive & party, christmas, Halloween ... anniversary, wedding, party, holloween, holiday, birthday, home decoration and so on.6. Battery: AG10 or AG13 or AAA ...