Highlighted Features:
Ultrasound frequencies attract the attention of dogs without damaging their hearing, without any health problems. This dog whistle features a precise frequency adjustment system with a nut and screw mechanism, allowing for customized tuning to your dog's most responsive range. while the compact, lightweight design with an included lanyard makes it portable and convenient for any situation.

Quality Materials:
This dog whistle to stop barking features a solid copper core within a plastic housing. The copper construction supports clear ultrasonic conduction and resists corrosion, while the plastic exterior provides a secure grip and withstands routine tear and wear, offering lasting reliability and ease of maintenance.

Intended For:
This dog training whistle is good for a wide range of key dog training applications, including immediate barking control for your own or a neighbor's dog, long-distance recall and basic command training (such as Sit, Stay, or Come), and behavior correction. This dog whistle to call your dog is suitable for all breeds (including Golden Retrievers, German Shepherds, Beagles). You can communicate with your beloved dog anytime.

Product Specifications:
Dog Barking Stopper: 0.7 x 8 cm / 0.28 x 3.15 Inch (D x L)
Keyring Outer Diameter: 1.5 cm / 0.59 Inch
Lanyard Size: 48 x 1.5 cm / 18.9 x 0.59 Inch (L x W)
Color: Black/Blue
Material: Copper, Plastic
Packing List: 2 Pcs x Dog Whistle to Stop Barking Neighbors Dog, 1 Pcs x Lanyard

Important Notes:
Simply rotate the adjustable screw to find your dog's most responsive frequency and gently blow the ultrasonic dog whistle. Please allow a short adjustment period during the initial frequency calibration, as each dog's hearing sensitivity varies.