The SR3600 Radar Gun is a precision training instrument for coaches, players and enthusiasts. Read accurate ball and swing speeds for various sports, including but not limited to: baseball, softball, tennis, bowling, golf, auto racing, and more. The SR3600 is full featured, reliable, durable and easy to use. Just point and pull the trigger and the target speed is displayed. Our advanced microprocessor based speed detection calculates speeds in just a few feet of target travel. Sports Radar is the pioneer of the Hands Free Mode which allows an individual to read the speed of various targets for training purposes without another person being present. Our Data Port is a feature not found on any other radar gun in this class. The Data Port enables the use of our large displays for remote viewing or for connection to a PC/Laptop for statistics tracking. The SR3600 is the best price/performance radar gun available. SR3600: Mechanical: length, 10-3/4"; width, 2-3/4"; height, 7-1/4"; weight, 1 lb. Display Type: 3 digit LCD Speed Range: 10MPH (16 Km/H) to 256MPH (411 Km/H) Speed Units: Miles Per Hour (MPH) or Kilometers per Hour (Km/H) Lightweight high impact resistant design Point and Shoot technology Range: typically 60' on balls, 250' on cars Accuracy/ resolution: 3% / 1 MPH or 1 Km/H Displays speeds in MPH or Km/H Trigger or Continuous modes Tripod Mount Data Port External Power Jack Audio Indicator Standard 9V battery operation (2 required) Battery Operating Life Over 5 hours of continuous use, typical 50 hours in trigger mode. Low Battery Indicator Weight: 1.5 lbs. Operating Temperature 14-130 degrees F Storage Temperature -22-158 degrees F (excluding batteries) Frequency: X-Band 10.525Ghz 1 Year Limited Warranty Optional External Large screen Displays available Optional PC Software for statistics tracking MADE IN THE USA