UECOOL Ultrasonic Pest Repeller, Pest Repeller Plug-in Pest Control Ultrasonic Insect Repellent for Cockroach, Mice, Rodents, Spiders, Flies, Mosquito, Flea, Ants [2 Pack]

What you WANT - An ultrasonic Pest Repeller to protect your home from unwanted pests without using dangerous chemicals, sprays or trap that can harm you, your families and pets. 
What you NEED - A commercial grade Ultrasonic repellent with frequency up to 65KHz covering 1200sq. ft of open space indoor and out door. 
What you DESIRE - An affordable 2018 dual speaker repellent with a night light that is environmentally friendly and is smart device compatible. 
What you GET - 2 packs R3 Pest Repeller

Pest Repeller. 
Key Features:
- It is applicable to repel cockroach, mosquito, insect, pest, mice etc. 
- The repelling ultrasonic frequency is 22 - 65KHz and the effective range is 800 - 1200sq. ft
- Non-toxic and environment-friendly
- Safe and odorless
- With ABS shell, durable and shock resistant
- Power source: AC 90V - 250V, 50 - 60Hz

Tips:

1) Keep distance from carpet, curtain and any sound absorption material that may reduce the effect. 
2) The number of rodents and insects may increase in the first few days. And the pest repeller will drive them away completely for good about four weeks later. 
3) Please clean the pest repellent with dry and soft towel.