Elite Ultrasonic Outdoor Bark Control
Teaches dogs to stop barking. Emits a high-pitched sound (ultrasonic) inaudible to most humans. Ultrasonic sound is harmless but annoying to a dog. Built-in timer has 2 programmable on/off presets. Coverage projects in a cone shape about 150-degrees in front of the speaker. Range up to 50ft. Microphone detects barking to prevent false corrections. Weatherproof. For outdoor use. Low battery indicator. Uses a 9V alkaline battery (NOT included). Average battery life is 2 months depending on bark occurrence. Dimensions: 4.5"W x 7"H.