Bicycle Electric Horn ，with Bell, Bicycle Electric Horn(Red), Bicycle Electric Horn(Blue), Bicycle Electric Horn(Black)

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