Check the listing for details. Dogtra EDGE RT Expandable 1-Mile Remote Training Collar Waterproof System. Condition: New. Listed at 359.99 USD. STORE ABOUT US NEWSLETTER CONTACT US DESIGN & CONTENTS © COPYRIGHT PETMOODS The Dogtra Edge RT provides simple solutions for demanding and difficult training situations for both the serious amateur and the professional trainer. The Dogtra EDGE RT is designed for the most demanding training environments. Whether you're a professional trainer or a serious amateur, the EDGE RT offers the simplest solution to the most complex training. The EDGE RT transmitter gives you a 'no look' one-hand operation, so your eyes are always focused on your dog. The 8 levels of Nick and Constant stimulation coupled with our Combination Buttons, offer a wide range of stimulation for every dog and every training situation. The Dogtra Edge RT is a low to high power remote trainer that can be expanded up to 3 dogs with its top-mounted dog selector dial. Two orange and two black buttons allow instant access to low, medium, and high power levels of both Continuous and Momentary stimulation. Features a 1-mile range and fully waterproof transmitter and receiver collar, adjustable stimulation probes, and more. The Dogtra EDGE RT e-collar comes with a durable and fully waterproof receiver/collar and tube-shaped transmitter. The tube-shaped transmitter with the Selector Step Dial for stimulation control is uniquely designed to fit in your hand to further ensure one-handed operation, which is an essential feature to control multiple dogs. The receiver/collar is equipped with 5/8" surgical stainless steel Contact Points, which can be replaced with longer 3/4” contact points for dogs with thick or long coats.