Beers ERT 300 Tennis Computer, Black

Beers ERT 300 Tennis Computer, Black

$199.95 (as of May 3, 2019, 11:00 pm)

Displays current string bed stiffness (dynamic tension), indicates the power and aggressiveness of play
Provides highly precise measurement through an electronic simulation of the ball impact
Pocket-sized, cordless, and easy-to-use

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Description

New technology! Displays current string bed stiffness (dynamic tension), indicates the power and aggressiveness of play, and alerts when it is time to restring. Provides highly precise measurement through an electronic simulation of the ball impact. Pocket-sized, cordless, and easy-to-use. Works with any racquet and string type. Microprocessor controlled, battery operated.
Displays current string bed stiffness (dynamic tension), indicates the power and aggressiveness of play
Provides highly precise measurement through an electronic simulation of the ball impact
Pocket-sized, cordless, and easy-to-use
Works with any racquet and string type
Microprocessor controlled, battery operated