1. 4 Tones Loud Siren Sound.
2. 6 red blue led light with bike siren.
3. A Loud Siren to draw people's attention on street.
4. Keep your kid from danger by warning or noticing others.
5. A switch controls the flash modes give the effect of flicker.
6. Easy to be fixed on the bicycle.
7. Material: Plastic.
8. Size: about 13 x 7.5x 3.5cm.
9.Powered: 2 x AA Batteries (Not included).
1x Bicycle Police Siren (Batteries Not Included)