MAXIMUM SHUTTLECOCK SPEED: 140 kph / 87 mph SHUTTLECOCK FREQUENCY: 1.2 to 4.5 per Second VERTICAL HEIGHT ADJUSTMENT: 20 to 70 cm / 8" to 28" SHUTTLECOCK FEEDING TUBE CAPACITY: 200 REMOTE CONTROL: Full Function LCD BATTERY: 3 to 5 Hour Lithium-Ion ...