Product Features :

• Brand New, High quality, low price, direct from factory !!

• Waterproof construction

• Adjustable Stretch Collar (Up To 35cm)

• UltraSonic and Audible Selections

• On/Off Button

• Triggers Accurately by Bark Vibration (Can`t activate by other dogs barking)

Not guaranteed to work on all dogs, depends on every dog`s sensibility to ultrasonic sound. Works better for small, medium dogs

Please kindly note the item is without retail packages.
If buyers prefer retail packages, please contact seller, thank you.