Type:Collars
1. Adopting 6-band ultrasound infinite cycle scanning, it is high effect and quick.
2. Safe for all human, just repel the mosquito and pest.
3. Quiet to work, not influencing your work and sleep.
4. Made of eco-friendly material, it is safe and unpolluted, and it has a long service life.
5. Designed with the key chain, it is portable and convenient for travel.