Remote with 2 Receiver -- train up to 2 dogs and stop them from barking
3 Training Modes -- static shock, vibration and beep trainer with 8 adjustable levels
Operational Range -- up to 1100 yards, rechargeable remote and waterproof collar
Collar Size (inch) -- Diameter=3-7, Circumference=10-24, good for dogs 20-150 lbs
Easy to Use -- Provide with 1 detailed User Manual and Best Custmer Service, BUY WITH CONFIDENCE.