One of our most popular dog toys! Fill the container with treats and then train the dog to press the remote control. When the dog presses, a sound is heard and a reward drops out.Includes USB socket with 1.5 m cord that can be used instead of batteries. Note that the batteries must be removed if you use USB as a power source. Facts about Memory Trainer 3.0, Level 3 Activity Toy:By pressing the remote control, the dog accesses the reward.Container inside the feeder with opening that releases rewards.Increase the level of difficulty by increasing the distance between the remote control and the feeder. Ultimately, they can also be placed in different rooms or even within- and outdoors (range up to 40 m).Trigger holder for increased stability.Remote control can be attached with suction cup or with stick (outdoors).Measures for filling with treats are included.Range up to 40 m.Non-slip thanks to rubber feet.Battery operated (3xAAA & 4xC batteries - not included) or via USB.Includes booklet