Built for pets! Love is our inspiration, iDogmate launcher our method! At iDogmate, we love dogs, so we strive to give our dogs the best. Our mission from day one was to return the favor by giving our dogs what they deserve- premium, holistic, funny products that allow these amazing animals to look and feel healthy and happy while they live life to the fullest. Before using the iDogmate launcher, please read the operation manual. Notice: iDogmate recommend to use AC Adapter to get the promised launch distance, the battery has weak power than adapter. it will gradually decrease as the battery power reduce when the machine uses the battery to launch