Features: 100% brand new. 1.4 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).Package List: 1*Bicycle Police LightNote: NO Retail Box. Packed Safely in Bubble Bag.