Dogtra Edge Remote Controlled Electronic Dog Training Collar System -
System features interchangeable rheostat intensity dial or step dial stimulation; stimulation types in 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 level of stimulation, mode, and a 3 bar battery life icon; plus waterproof transmitter remote and receiver collar with a one-mile range and interchangeable contact points for various coat lengths. Expandable to a 2-, 3-, or 4-dog system with color-coded add-on collars (sold separately). System includes transmitter remote, one receiver collar, charger, metal belt clip, and case. For medium to large dogs (20 lbs.+)
Dogtra® Edge Remote Controlled Electronic Dog Training Collar System Add-On Receiver/Collars sold separately and can be found through item search for number 1896216.