The Baseball Sports Sensor Glove Radar Device Model 360/360s is a portable radar gun designed specifically for baseball training. Powered by batteries with a long battery life of more than 7 days, this device provides accurate measurements of ball speed and gives feedback in English language. The lightweight design of 3 oz makes it easy to use, and the yellow nylon construction ensures durability for both indoor and outdoor practice sessions. With radar sensors and a focus on the sport of baseball, this product by Sports Sensors Inc is a valuable tool for improving pitching and batting skills.