The Dogtra Edge is a fully customizable and expandable, up to a 4-dog system, e-collar, designed for professionals and serious amateurs. It features a 1-mile range, 2-hour rapid charge batteries, fully waterproof receiver and transmitter, and built-in high intensity LED location lights on the receiver.

• Interchangeable rheostat intensity dial or selector "step" dial stimulation
• Stimulation types of nick, constant, and a non-stimulating pager vibration mode
• Built in high intensity LED lights on the receiver/collar
• 2 Hour rapid charge Lithium Polymer batteries
• LCD screen displays exact level of stimulation, mode, and a 3 bar battery life icon
• Expandable to two, three, or four dog system
• Interchangeable contact points for a variety of coat lengths