MOTO-D NEXT GPS Lap Timer has a 50HZ receiver inside the unit so there are no wires to string along your bodywork and tape on your motorcycle tail. It comes pre-loaded with a database of almost all motorcycle tracks in North America, simply turn it on, wait for it to see the satellite (a few seconds), and then GO! It automatically records once it's internal accelerometer sees movement. For more info visit www.motodracing.com The World's Fastest and Most Accurate GPS Lap Timer for Motorcycles from MOTO-D Racing. 50HZ GPS Receiver (Integrated): the fastest / most accurate lap timer in the world, sampling the riders position 50/second. Touch Screen: Goodbye Buttons, LCD Screen uses “Glove Sensitive” Technology - it is Intuitive, Powerful, and Simple. Lithium-Ion Battery: Includes a rechargeable Lithium-Ion Battery for Long Lasting Use. Backlit LCD Display: A Big Bright Display for easy Visibility both On/Off the Track.