Specification Product size: 4.5 x 3.5 x 3.3 Product weight: 146g Battery capacity: built-in 1200mAh lithium battery< br />Duration: 8 hours Control range: about 5 meters (16.4 feet) How to use: 1. After pressing the ON-OFF button, it will emit a beep indicating that it starts to work. In addition, the LED indicators light up green. 2. Hold down the button to send the signal. Loosen the knob to stop the signal. If you press and hold the button for 6 seconds, the anti-bark device will turn off, the frequency of the first 3 seconds is fixed, and the last 3 seconds is variable. 3. If the dog does not respond, it is because it does not understand the meaning of the sound wave. After repeating several times, the dog will learn that his barking will bring him uncomfortable sensations. Therefore, it will decrease unwanted barking. Package: Anti-bark devicex1 USB cablex1 Wrist rope 1 User manualx1
