Less time training and more time enjoying your dog is the principle behind the Elite Big Dog Trainer from PetSafe. At the push of a button the remote sends a signal up to 1,000 yards away to deliver a safe, gentle static correction to teach your dog. 15 levels of correction with boost button. Waterproof construction. Low-battery indicator. Both collar and remote operate off rechargeable batteries (included). For dogs 40 lbs. and up. Color: Black.