1.The repellent can be effective used in the room of 100-150 square meters.

2.The repellent can repel pests such as: mosquitoes, flies, ants, reptiles, cockroaches and rats, etc.

3.The ultrasonic wave emitted by the device will not harm any human or family pets, and does not interfere with household appliances either.

4.The device is safe and environmental protection, odorless, low power consumption, and equipped with advanced electronic technology.