1. Material: ABS2. Power source: USB charging3. Built-in battery: 300 mAh lithium battery4. Waterproof, can swim in the water5. Small, comfortable for dogs, only 78 grams (including straps)6. The fourth-generation precision chip, dog barking recognition7. Humanized settings without any settings8. Low voltage alarm, charging reminder9. 7-speed adjustment of sensitivity10. Contact with conductive silica gel, better protect the dog s skin11. Weight: 125g/setFeatures:1. The first 2 triggers, only a warning tone, no electric shock2. For the third dog barking, first give a warning and then send out a first-level electric shock. If you continue to bark, the warning sound and electric shock will be strengthened.3. There are 5 levels of electric shock intensity, after 7 triggers, there will be no triggering in 60 seconds.

http://olla.gr/automatic-waterproof-bark-stopper-defense-misconduct-high-sensitivity-pet-trainer/