The toy is sure to bring hours of interactive fun between your dog and you.Your furry friend will have a blast fetching the ball,while you can enjoy looking at the Maxi automatic dog ball launcher do all the throwing for you. Make sure to let your dog take breaks from the Maxi automatic dog ball launcher every 15-20 minutes.Fetching can be exhausting,and sometimes dogs love it that much that they do not know when to stop. INSTALLATION OF THE BATTERY 1. Using coin to rotate the battery cover at bottom of the machine and turn it into the open position, then remove the battery cover latch and the battery cover. 2. When the battery cover removed, connect the power line terminal with battery terminal in the machine battery tank, then power is on, then the battery to fit in the slot postion. 3. Cover the battery slot with battery cover, load the battery cover latch then use coin to turn it into the locked position. NOTE: Please fully recharge the battery before using the product. INSTALLATION OF THE BATTERY 1. Using coin to rotate the battery cover at bottom of the machine and turn it into the open position, then remove the battery cover latch and the battery cover. 2. When the battery cover removed, connect the power line terminal with battery terminal in the machine battery tank, then power is on, then the battery to fit in the slot postion. 3. Cover the battery slot with battery cover, load the battery cover latch then use coin to turn it into the locked position. NOTE: Please fully recharge the battery before using the product. WARNING Even if your dog can play with the Maxi automatic dog ball launcher alone,supervise him/her while playing.Don't let the dog bite the electrical cable. If balls are damaged,please don't use them while the Maxi automatic dog ball launcher. Please always inspect the launch tube to make sure it's clean before playing,in case any objects or dirt stuck in the tube. Do not operate when any part of the product is wet or standing in water.Do not use when raining.An electric shock hazard may exist if the unit is plugged in while or after it has been exposed to water. Please before letting the dog play,check if the Maxi automatic dog ball launcher works properly. Please keep the instruction manual in safe place for reference. The Maxi automatic dog ball launcher can only be use with 2.5" balls,same size as included in the box. Ideal use with AFP Maxi automatic dog ball launcher Super Bounce Tennis Ball 6-Pack # 3194. Do not attempt to modify your Maxi automatic dog ball launcher or any of the system companent. Automatic Dog Ball Launcher Mini(M) Maxi Automatic Dog Ball Launcher(L) Balls for Ball Launcher Mini(M) Balls for Maxi Ball Launcher(L) Ball Launcher Add to Cart Add to Cart Buying Options Add to Cart Buying Options Customer Reviews 3.9 out of 5 stars 236 3.9 out of 5 stars 236 3.9 out of 5 stars 236 3.9 out of 5 stars 236 — Price $79.99$79.99 $129.00$129.00 — no data $9.99$9.99 — no data Charge Method Works with 6pcs C batteries ( not included ), or with AC adapter (included). Rechargeable Battery(charge at least 10 hours before use ) × × × Dog Size Small and Medium size dogs Large sizes dogs Small and Medium size dogs Large sizes dogs All size dogs Apply Situation Indoor Indoor and outdoor Indoor and outdoor Indoor and outdoor Indoor and outdoor Ball size 2 inch 2.5 inch 2 inch 2.5 inch 2.3 inch