• Small and lightweight design

• High frequency sound waves to stop dog barking automatically

• The collar will give a shock when the dog continuously barking for three times in 30 seconds

• With sensitive adjustable gear, you can adjust the sensitivity according to the dog's voice

• High quality nylon strap, adjust from 19cm to 53cm

• Operates on a standard 6V Alkaline battery (included)

• Great for the dog barking all the day

• Fit for small / medium / large dogs

Specification:

• Size: 6.3 x 3.5 x 3cm

• Net Weight: 0.04kg