Use ultrasonic sound to train a dog or stop the dog’s barking. It is effective and harmless
Light and portable perfect for walking, cycling and running or training your own dog
– The maximum effective range is 5 Meters
– LED power indication.
– Powered by 4 PCS of 1.5V AAA battery.
– Unit size: L*W*H= 92*41.5*32MM
12 Months Warranty