Powerful Ultrasonic Dog Repellent with LED, Ultrasonic Anti-Barking Device for Indoor & Outdoor Use, Anti-Barking for Small, Medium and Large Dogs

General Description The anti-barking device uses ultrasound and strobe lights to deter dogs from barking. This portable and compact model is designed for both indoor and outdoor use and is suitable for small, medium, and large dogs. It is easy to use and offers an effective range of 8 meters. Technical Specifications Dimensions: 9.5 x 9.3 x 2.8 cm Weight: 55 g Battery: 300 mAh, rechargeable Battery life: 40 minutes Ultrasound frequency: 23 kHz to 40 kHz Operation To use the device, simply press the button when the dog barks. The ultrasound and strobe light will then activate to attract the dog's attention and encourage it to stop barking. It is recommended to combine this device with other training methods and allow two weeks to observe results. Other Information