1. Powered by 1 x 9V battery (not included)
2. Uses ultrasound to deter unwanted barking
3. 4 settings: Test (verify microphone and speaker), 1 (low range, up to 15 feet), 2 (medium range, up to 30 feet) and 3 (high range, up to 50 feet)
4. LED light displays battery level
5. Human should keep at least one arm away while using
2. Uses ultrasound to deter unwanted barking
3. 4 settings: Test (verify microphone and speaker), 1 (low range, up to 15 feet), 2 (medium range, up to 30 feet) and 3 (high range, up to 50 feet)
4. LED light displays battery level
5. Human should keep at least one arm away while using