Bicycle electric horn

Product specifications 10*5*3cm Line length 40cm
Outer box size 11.5*5*5cm
The 1.110 decibel is enough to remind the car and van drivers to make the riders safer.
2. Two modes: 110 decibels and 100 decibels (such as video)
3. Split button switch, can be installed in any position of the handlebar, easy to touch, can also be operated when braking
4. Easy to install, suitable for all pipe handlebars
5. Need 2 7th battery