- Fine tuned the range of ultrasonic frequencies
- Three function modes, green, blue and red, green and blue is inaudible, red is audible
- It can cover an area of 80 to 120 square meters
- Put one in one room as ultrasonic wave can not penetrate through walls and solid objects
- Working with low frequency ultrasonic wave
ASIN: B08HQF6FTS
EPA approved pest control device: Our ultrasonic pest repeller meet the United States Environmental Protection Agency (EPA) requirements, comply with the applicable labeling law and we never make any“false or misleading claims”. Identified as pest control device by EPA, We have obtained the EPA establishment number : 95655-CHN-1