Features:

* Detects nuisance barking up to 15 metres
* Designed for sensitive dogs
* 3 adjustable sensitivity settings (5m, 10m, 15m)
* Emits high-pitched ultrasonic sound safe for dogs but inaudible to humans
* Built-in microphone sensor detects barking
* Durable and water-resistant for outdoor use
* Operated by 1 x 9V alkaline battery (not included)
* Average battery life up to 2 months depending on usage
* 12-month warranty by DogMaster Trainers