Bicycle Electric Horn ，with Bell

1. Easy to install, can be installed on all kinds of bicycles
2. No battery required
3. Environmentally friendly ringtones, sweet sounds
4. Gross weight: 45g
5. Net weight: 39g
6. Packing size: 4.3x4.3x7.8cm
7. Designed for direct mounting on bicycles
8. Material: Plastic