MASBRILL Ultrasonic Dog Repeller Dog Anti Bark Control Devices-U33 Color:Gray ✅ No hidden fees

✅ No hidden fees

vibration (1-7)

5 hours before using

Individually control up to 4 receivers or simultaneously control an unlimited number of receivers

And it can work for about 8 hours continuously once fully charged

MASBRILL Ultrasonic Dog Repeller Dog Anti Bark Control Devices-U33 Color:Gray ✅ No hidden feesNo Shock Technology Our humane training technique uses an age old principle that teaches dogs to associate their barking with the irritating frequencies. Unlike shock collars that are painful and can be used only on one dog, the Anti Barking Device can be used virtually anywhere without you having to ask permission from your neighbors. This device trains dogs to stop nuisance barking (boredom and attention getting barking) but is designed to have no