What's important to you?
How long should the batteries last?
How should speed be displayed?
What other information should be displayed?
Time? Temperature?
How high should the numbers go?
What's it all worth?
How much would you expect the product you described above to cost? (in US$)
For bicyclists:
How much have you spent in the last year on lighting & visibility for your bike? (in US$)
How much have you spent in the last year on other accessories for your bike? (in US$)
What kind of riding do you do?
What kind of conditions do you do ride in?
All about you (optional)