Based on this product's specifications, here are some alternatives and similar models
Table Tennis Trainer Schildkrot SF SPEED TRAINER PRO by schildkrot
Summary description:
Schildkrot SF SPEED TRAINER PRO is a table tennis training device from schildkrot designed to support practice and skill development. The unit is intended for repetitive ball feeding and stroke training, helping players improve timing, consistency and footwork. Suitable for solo drills, coaching sessions and club practice where controlled, repeatable ball delivery is required.