Bushnell Velocity Radar Gun
"Baseball Accuracy: +/- 1 mph
Softball/Tennis: 6-110 mph/16 - 176 kph (100-ft away)
Auto Racing: 6-200 mph/16-320 kph (1300+ feet away)"
http://www.dickssportinggoods.com/pr...ductId=1845491 I've seen it at RadioShack as well, eBay has them for ~$80
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SPEED WATCH
"Radar gun when this easy to use alternative calculates the speed of any object with an instantaneous conversion of time & distance to a MPH reading at a fraction of the cost."
http://www.opentip.com/product_info....ducts_id=38647 $28.54