This littler trainer is big on discipline. With this deluxe system, training your little pal is easy. The lightweight receiver is made especially for small dogs, and the unit is equipped with 10 levels of correction and a range of up to 100 yards. Effective for pets between 8-40 lbs; 10 levels of correction; Tone-Only training button; Lightweight, waterproof receiver; Collar uses CR-2032 batteries (included); Remote uses 9v alkaline battery (included). Type: Remote Trainers Breed Size: Small Breed