1. Material: plastic2. Power supply: 2 AA batteries (not included)3. Simulate the green slope, closer to the real golf course4. The ball can be bounced back electrically, automatically sensed, and it can be used after installing the battery5. Arbitrary control distance, you can place the control putter distance at will according to the needs of practice6. Size: 27x16.5x6 cm7. Weight: 0.5kg8. Note: only ball returner, no golf balls