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2 Pieces Bicycle Police Sound Lights 6 LED Lights 4 Sounds Trumpet Cycling Horn Bell Warning Safety Bicycle LED Light Waterproof Bike Lights electronics3 hydraulic oil and liquid viscosity2 Pieces Bicycle Police Sound Lights 6 LED Lights 4 Sounds Trumpet Cycling Horn Bell Warning Safety Bicycle LED Light Waterproof Bike Lights 2 Pieces bicycle police sound lights 6 LED lights 4 sounds trumpet cycling horn bell warning safety bicycle LED light waterproof bike lights Features: Bright light: With 6 LED design, the bike police lights can provide bright and make an effective visibility, which can give you safe enough. Water resistant