I wear an Omron that I just love.Some Walmart's carry then, and you can always find them on ebay. Not sure of the Model number, but it usually retails for arond $25.00 It measusres steps, plus aerobic steps when you walk more than 10 minutes...also counts biking as steps. You can set it to your stride and weight, it will give you miles, and calories burned. I have the thiong clipped to me 24/7, only taking it off to shower and swim.
Have a great trip!