Sell Coco New Pet Dog Whistle To Stop Barking Bark Control for Dogs Training Deterrent Whistle best price

Material: Copper + Plastic Colour: Black Size: about 8cm×0.8cm Weight: about 30g Instructions: Loosen the sonic adjustment screw. While blowing in the air from the air inlet, rotate the adjustment lever to adjust to the appropriate pitch. After the adjustment rod is screwed, tighten the sonic adjustment screw. Function: remote call, recall, command Package includes: 1PCS* whistle Note: -Due to manual measurement and different measurement methods, please allow slight deviations. -Due to the difference between different monitors, the picture may not reflect the actual color of the product.