Sportdog Sporthunter X-series - 1225x 3/4 Mile Range 21 Levels 0.88 X 2.88 X 4.50 Chain Size: 3/8 in

Chain Size: 3/8 in

this sensor enhances charging accuracy

the engine will start easier and run smoother

Alarms for high and low apparent wind angle

Sportdog Sporthunter X-series - 1225x 3/4 Mile Range 21 Levels 0.88 X 2.88 X 4.50 Chain Size: 3/8 inSportdog sporthunter x series 1225x 3 4 mile range 21 levels FEATURES: Up to 3 4 mile range 21 levels of stimulation Waterproof Other Features: 3 4 mile range, 21 instantly selectable static stimulation levels, low medium stim ranges , tone & vibration options, rechargeable l ion batteries expands to 3 dogs with add a collar system, waterproof, intuitive, no look operation lets you stay focused on your dog,