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Features:
* Strong shock
* Waterproof electric horn
* Quality assurance
* Buy two speakers will be three-dimensional feel while using
* Sound pressure level of up to 105dB or more
* Normal tweet can reach more than 70，000 times
* Shock and waterproof performance is generally twice horn
Specification:
Dimensions: Diameter 7cm， 10cm long
Voltage: 12V
Color:Black
Package include
