The Atom SL 5.0 Cyclometer features a digital extended range wireless transmitter and is very thin and lightweight. It has a barometric altimeter accurate to .10 meters and can run a dual trip arrival time. The Atom will calculate your current, average and max speed with a pace arrow and also shows the trips distance/odometer. Rounding out the features are a ride timer, 12/24 hour clock, bar/stem mounting system and auto scan.