Product Details:
Color:  Black
Weight: 70g
Size:  94(L) X 46.3(W) X 38mm(H)
Material:  Plastic
Match handable diamter:2.2-2.4cm
 
Features:
Batteries: 2 x AAA Batteries (Not included)
different Modes Voice
Compatible with all bikes including road bikes
Easy and safe to use when braking
Extremely loud & clear sound