ITEM NAME:Bicycle Horn Electronic Black Speaker 6 Bike Bell Loud Sounds Ultra Siren AlaTE Features: 100% brand new and high quality. Six different sounds are very resounding. Easy to install and fit for all bicycles. Superior quality, fine workmanship and waterproof. 1. Small size, but the bell is very loud, and the sound of the downtown area is also outstanding. 2. Beautiful appearance, meticulous workmanship, life waterproof design. 3. Easy to install, can be installed on any type of bicycle. 4. Press the button to make six different sounds. 5. Exquisite workmanship and waterproof design for daily life. 6. Use the bell as long as they unscrew the two screws behind the horn and connect the positive and negative poles of the battery. Specifications: Color:as pictures shown Material:Reinforced Plastics, Electronic Components Power Supply:1x 9V Battery(included) Suitable for:2.2 cm diameter handlebar Weight:100g Color: as picture shown Control line length:20cm Package Included: 1x bell 1x mounting holder Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color  is 100% the same..Small size, but the bell is very loud, and the sound of the downtown area is also outstanding. Use the bell as long as they unscrew the two screws behind the horn and connect the positive and negative poles of the battery.
