Reduces nuisance barking! Uses vibration sensor and microphone to sense excessive barking. 18 static correction modes automatically adjust to your dog's temperament. Collar adjust 2"- 28" For use on dogs over 8 lbs. Instruction manual and video CD included Lifetime limited warranty.
The accessory pack sold separately contains (Item # 101929): Two 6 volt batteries, 2 sets of probes and replacement screws.