Battery: 3 x AAA battery ( not include), Could be maximed to 12 hours when it work
Size:16.5cm x 4cm (approx)
Color:as picture shown
Bicycle Spoke Light x 1(other accessories demo in the picture is not included.)
The product is consist of 32 pcs colorful LEDs
It can flash 32 different kinds of patterns, patterns will be changed every 3 seconds
Pattern is clear and completely when speed up to 20kms/hour
Equipped with light sensor and movement sensor, flash only at action, it will not work and save power when not riding .