Enhance your dog training experience with the Dogtra 280X Additional Receiver. Designed for use with the Dogtra 280 Series, this blue receiver offers reliable performance and a robust range of up to 3/4 mile. Its ergonomic design ensures a comfortable fit for your dog, while the waterproof and submersible construction makes it perfect for all weather conditions. With 127 levels of stimulation and a precise tone feature, you can effectively communicate with your pet. Ideal for trainers looking to expand their system, this receiver is a must-have for effective and efficient dog training.