Dazer II stops barking dogs - safely and quietly.
The DAZER II ultrasonic barking device, under normal conditions is good for about one thousand, one second activation's. In general terms about 6 months or more. The red LED light will not operate if the battery is exhausted. Remember there is no audible sound to your hearing. Do not point the device at your own ear. Point the device away from you at the dog and press the button once or twice.
Please see FAQ for help to replace the battery in the Dazer II Ultrasonic Barking Device.