6 Pcs Dog Bark Collar Rechargeable Bark Collars for Dogs Harmless Shock Anti Barking Collar with 7 Adjustable Levels Vibration Correction and LED Indicator No Bark Collar for Small Medium Large Dog

6 Pcs Dog Bark Collar Rechargeable Bark Collars for Dogs Harmless Shock Anti Barking Collar with 7 Adjustable Levels Vibration Correction and LED Indicator No Bark Collar for Small Medium Large Dog Harmless no shock: Anti barking collar can be adjusted to "Only Vibration" model, will cord a warning beeping sound, is produced succeeded by vibrations if the barking continues, to help your dog gradually learn to control barking. Safe to use: Use the stop dog barking device and don't worry your dog will bark and let you and your neighbors enjoy quiet times. The anti bark collar will make sure no bark is left undetected by vibrating gently until your dog will stop. Use test: The shock bark collar can intelligently recognize your dog's unique barking and filter out other sounds. Set the red light and green light to be on at the same time, you can use the extra test light to test if it works or not by blowing at the sensor microphone on the back of the receiver. Specifications: Quantity: 6 Material: plastic, nylon Color: sky blue, lemon yellow, orange, gold, bright black, green Size: approx. 2.55 x 1.5 inches/ 6.5 x 3.8 cm Expanded length: approx. 27.55 inch/ 70 cm Package includes: 6 x Rechargeable dog bark collars Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays