Features:
1.Fine workmanship and waterproof
2.Easy to install and fit for all bicycles
3.The red button is to operate the horn. Please find it at end of curly wire that attaches seprately to handlebar.
3.A variety of different resounding sounds,such as car horn-type sound,ambulance-style, by long pressing the red button to swtich the sound.
4.Compatible with all bikes including road bikes.
5.6 kinds of sound effects，extremely loud & clear sound.

Specification:
Material: Reinforced plastics
Power: 9V battery 6F22 (not included)
Size: 8.8*4.0*5.4cm/3.5 *1.5 *2"
Length of the control line: 22cm/8.58
Color: Black
Package Contents:1PC*Bicycle Electric Horn(The Battery is not be included)


Notice:
Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.
Please understand that colors may exist chromatic aberration as the different placement of pictures.