Built for upland hunters, the DT Systems SPR5300 E-collar combines long-range control with a programmable baritone beeper for superior field awareness. With 2 miles of range, waterproof design, and quick-access training features, it's built to perform wherever the hunt takes you. 2 mile range Rechargeable waterproof transmitter and collar SmartLED charge level indicators 24 levels of Nick and Continuous stimulation Programmable baritone beeper with 400-yard range LCD screen on transmitter Includes strap, lanyard, and belt clip Expandable up to 4 dogs, add additional collar with item 748053