1. The Dazer III ultrasonic device is a deterrent for aggressive dogs, featuring an upgraded 3.0 version with dual ultrasonic speakers. 2. It is designed to be one of the most powerful deterrents available, utilizing ultrasonic sound waves that are inaudible to humans. The effective range is up to 10 meters, with optimal performance within 6 meters at full intensity. 3. Enjoy peace of mind while jogging, running, or biking on roads or trails. When the ultrasonic button is pressed, the device vibrates to confirm activation. 4. The device includes USB charging with a low battery indicator. A full charge supports up to 30 days of use. The Dazer III is made from lightweight, impact-resistant materials. 5. Operation is simplepress one of the two buttons and aim toward the dog. The emitted ultrasonic sound prompts the dog to stop and move away. 6. The Dazer III offers three modes: **Ultrasound**: Choose from three frequency settings *Stable*: Continuous 25 kHz output for prevention. *Irregular*: Output fluctuates between 2025 kHz for repelling. *Pulsed*: Intermittent waves for training purposes. **Ultrasound + Light**: Combines ultrasonic sound with a flashing light. **Audible Sound**: Emits audible tones to deter dogs.