1. Material: ABS
2. Power source: USB charging
3. Built-in battery: 300 mAh lithium battery
4. Waterproof, can swim in the water
5. Small, comfortable for dogs, only 78 grams (including straps)
6. The fourth-generation precision chip, dog barking recognition
7. Humanized settings without any settings
8. Low voltage alarm, charging reminder
9. 7-speed adjustment of sensitivity
10. Contact with conductive silica gel, better protect the dog's skin
11. Weight: 125g/set

Features:
1. The first 2 triggers, only a warning tone, no electric shock
2. 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.