How To Work: The No Shock Dog Training Collar With Remote Is Manually Controlled By Controller And Cannot Work Automatically. Functions: No Electric Shock, No Prongs, No Static Stimulation, Only Vibration (Level 1-18) And Beep(3 Sound), And Combination Of Both. Suitable For Most Small, Medium And Large Dogs.

Weight: 10-120 Lbs, Neck Size: 8-27 In. *Attention: This Dog Correction Collar Can Not Work Automatically. It Can Only Be Controlled By The Remote To Work. *Attention: Please Read The Instructions Carefully Before Starting This Manual Remote Stop Bark Collar. The Correct Use Of A Training Collar Is What Makes Training Effective. *Attention: The Collar Must Be Close To The Dog's Skin For The Vibrations To Be More Effective. If Your Dog's Hair Is Too Long Or Thick, We Recommend Trimming The Hair In The Area Where The Collar Is Worn.