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• Four switches control 4-tone of police whistle.
• Another switch controls the flash modes of the police light.
• 6 LEDs red green led light with bike siren.
• A loud siren to draw people's attention on street.
• Keep your kid from danger by warning or noticing others.
• A switch controls the flash modes give the effect of flicker.
• Easy to be fixed on the bicycle.
• Powered by two AA batteries (Not included).

 
Package Details Weight: 139.10 g
Size: 7*7*11.5 cm
Package Includes 1 ～ JY-2510 Police Car Light Trumpet for Bicycle Propelling Aid Fricycle