Dimensions: 10.75" L x 2.75" W x 7.25" H, 1 lb Display: 3-Digit LCD Speed Range: 10-256 MPH (16-411 Km/H) Speed Display: MPH or Km/H Design: Lightweight, Impact Resistant Operation: Point and Shoot Range: 60' on balls, 1,000' on cars Accuracy: 3% / 1 MPH or 1 Km/H Modes: Trigger or Continuous Mount: Tripod Compatible Connectivity: Data Port Power: External Jack Feedback: Audio Indicator Power Source: 2 x 9V Batteries Battery Life: 5+ hours continuous, 50 hours trigger mode The SR3600 Radar Gun is a precise training tool for coaches, athletes, and enthusiasts. It accurately measures ball and swing speeds across various sports like baseball, softball, tennis, bowling, golf, auto racing, and more. This full-featured, reliable, and durable device is easy to use. Simply point and pull the trigger to display the target speed. Our advanced microprocessor-based speed detection calculates speeds in just a few feet of target travel.