The Ultrasonic Dog Chaser is the most humane and safe way to deter unfriendly dogs. Using the latest ultrasonic technology, the Dog Chaser produces a discomforting but not harmful, high frequency sound, audible to dogs but not to humans. Helps stop the approach of unwanted dogs at up to 40 feet. Works on cats too! Easy to use: Just point the animal repeller at dog or cat and press the button. The Super Dogchaser emits a high frequency sound and also blinking lights. This dog repeller is also a useful dog training device when used in conjunction with the verbal or hand command.

*Dimensions: 121 x 45 x 24 mm

*Weight: 55g

*Frequency Range: 20,000Hz - 25,000Hz

*135db

*Effective Range: Up to 40 feet

*LED Life Expectancy: 100,000 hours