Effortlessly control and gain total attention with the Dogtra 280X 1/2 Mile Additional Receiver E-Collar, the new generation of the trusted 280C E-collar. Its intuitive design and front-and-center command button ensure you never miss a teaching moment. With tone, vibration and Boost for faster recall and focus, the 280X also includes an easy-to-spot E-collar light and level lock for safety. Fully waterproof and drop-proof, it's perfect for any adventure. Make easy work of training your furry friend by having this E-collar receiver.