Features: 1. 6 functional combinations: sound/vibration/electric shock/sound electric shock/sound vibration/sound vibration electric shock 2. 3. Worry-free charging, Android USB charging port, no need to worry about when to charge 4. Battery cruise capability 10-15 days 5. Power supply: built-in 280 mA lithium battery 6. Weight: 105 grams 7. Size: suitable for all types of dogs Advantage: 1. The contact column is made of conductive silica gel, which is flexible and can reduce the pressure of the bark stopper on the dog’s skin and make the dog more comfortable to wear 2. The product emits a blue light when it is working, just like the twinkling of stars, which is very beautiful and it is easier to spot dogs at night 3. The shell is made of ABS plastic, and the surface is electroplated. The shell is scratch-resistant and more durable 5. Using silicone dog straps, the dog straps are directly fixed on both ends of the bark arrester, and the bark arrester will not slide (loose) again 6. The sound sensor has been improved so that it will not be too sensitive and cause the product to trigger 7. Bark arrester waterproof rating: IP65 (life waterproof)