The Accusplit Eagle Best Step Pedometer Counter Tracker is a wrist-mounted pedometer designed for tracking distance while running and jogging. It has a display resolution of 161 x 160 and is powered by batteries with a long battery life of more than 7 days. Made of plastic, this unisex pedometer features a speedometer function and uses an accelerometer sensor for accurate measurement. The model AE120XL comes with English language settings and does not have a manufacturer warranty. It is brand new, sealed, and ships for free.