Dogtra® Edge Remote Controlled Electronic Dog Training Collar 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.+)
Manufacturer model #: EDGE.

Interchangeable rheostat intensity dial or step dial stimulation
Stimulation types in nick, constant
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 3 bar battery life icon
Submersible, waterproof transmitter remote and receiver collars
One-mile range
Interchangeable contact points for various coat lengths
Expandable to a 2-, 3-, or 4-dog system
System includes transmitter remote, one receiver/collar, charger, metal belt clip, and case

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