Tennis Cube with Oscillator. Made in USA by #1 Tennis Machine Company.

FEATURES: SPEED – 10-50 MPH. INTERVAL – 2 to10 seconds. SHOT SELECTION – Groundstrokes to Lobs. BALL CAPACITY – 70. START-UP TIME DELAY – 10 seconds to permit player to get in position before balls are thrown.
RANDOM OSCILLATOR – delivers shots randomly around the court for hitting at the run
EASY-TO-USE KNOB CONTROLS – No programming required.
RECHARGEABLE BATTERY – Built-in battery supplies as much as two hours of taking part in time per charge. Includes Good Battery Charger that absolutely charges the battery overnight and shuts off mechanically to stop overcharging.
THREE YEAR WARRANTY. MADE IN USA