Merssavo 2Pcs Pocket Dog Training Whistle to Stop Barking Adjustable Ultrasonic Frequency Keychain Keyring

Features:
100% brand new and high quality
Suitable for training pet dog , cat, birds, such as pigeon
Adjustable pitch, simply tighten or loosen the screw to work out your dogs frequency. It should be noted that this whistle is audible to the human ear, essential for gauging its efficiency.
Great for recall over long distances
Good tool for training your pet dog
The key ring loop included
Specification:
Material: metal
Color: silver
Length: approx. 2.01inch/5.1cm
Diameter: approx. 0.31inch/0.8cm
Ring diameter: approx. 0.63inch/1.6cm
Package included:
2x dog whistle
Note:
1.Due to the manual measurement and different measurement methods, please allow 2-3cm deviation.
2.Please be reminded that due to lighting effects and monitor’s brightness/contrast settings etc, the color tone of the website’s photo and the actual item could be slightly different.
Teach your dog commands with this whistle
Unique sound and frequency
Control your dog whenever he gets out of line
Great tool when you are training your dog
Brand new and high quality