Yliyaya@ Plastic Bike Bicycle Police Car 6 LED Light 4 Tone Sounds Trumpet Cycling Horn Bell ring Easy to be mounted on the bicycle and use , can be as a toy for kids or a horn for cycling. 6 red & blue led light with bike Siren. Four switches control 4 tone of police whistle. Another switch controls the flash modes of the police light. Digital super loud sound horn with nocturnal caution light and various kinetic energy designs make cycling safer. Can be used for a wide range of activities: road biking, city commuting, hybrid bikes, kids bikes. Keep your kid from danger by warning or noticing others. Powered:AABatteriesx2(Notincluded).