SportDog SportHunter Dog Training Collar

Features: 3/4-mile range. Tone only button. Choose from 7 pre-set modes. 27" collar strap fits up to 23" dog neck. Push-button on/off switch activated at the collar. Low Battery indicator on both transmitter and receiver. Rechargeable, user replaceable NiMH batteries in collar and transmitter. Up to 16 levels of continuous stimulation or 16 levels of momentary stimulation. Battery life is estimated at 40 - 80 hours of on time between charges. Instantly change stimulation intensity from the transmitter. 100% waterproof/submersible collar and transmitter. Built in toggle switch for upgrading to 2 dogs. Customizable transmitter settings. No external collar antenna. Lifetime Warranty.