1. Simple operation: long press for 3s to turn on, long press for 3s to turn off, there are different voice prompts, short press to switch the mode, green light: sound + vibration + electric shock, blue light: sound + vibration 2. 8-level mode, the intensity increases automatically (1-8 files, no need to adjust) 3. After the continuous output electric shock is continuously triggered, it will stop for 1 minute to prevent the long-term electric shock from causing damage to the dog 4. Waterproof design, rainproof 5. Battery capacity: 250mAh 6. Charging interface: USB 7. Diameter range of dog belt: about 0-18cm 8. Size: about 7.8 x 3.8 x 3.6cm 9. Weight: about 74g
