2 year guarantee
State of the art DSP(Digital Signal Processing) technology
Measures speed within one foot of pitcher's hand
Accurate up to +/- 1/2 MPH
Manual or continuous reading mode
Operates on two Black and Decker rechargeable Versapak Batteries
Comes complete with tuning fork, recharger, and batteries.
Both models (with or without port) come with carrying case, battery, battery recharger and tuning fork.