1. Light-emitting collar is more eye-catching, effectively avoiding nighttime pet accidents 2. Bluetooth connection, free control 3. Adjustable collar size 4. Buckle design, easy to wear 5. Dot matrix: 12x48 6. Display color: monochrome 7. Communication mode: Bluetooth 8. Support display: text/pattern/doodle/GIF 9. Support voice: Chinese/English/Japanese/Korean, etc. 10. Battery capacity: 400mAh 11. Size: one size (suitable for most dog types) 12. Size: diameter of about 18-24cm
