Notice:
Now we've updated electronic bell, improved to one hundred ten DB sound, extra loudly and more secure
Product Detail :
1: ROCKBROS
2: 33 g
3: three cm * 3 cm
4:Silicone gel
five Decibel (db): 110 db
6: three gears
7: Black, Green, Blue, Red
Product Features:
1 3 modes voice to make a decision
2 Silicone material would not harm handlebar
3 Super power saving, batteries can be used for 365 days
four IPX4 Waterproof price