1. Safe for human, pets and baby. Odorless, noiseless and no radiation
2. Drive pests and mice away without killing them
3. It takes 2-4 weeks to make effect
4. Please install it at 30cm away from the ground
5. Please note that the sound wave can not penetrate wall and solid objects
Details in frequency:
In the meantime, the pest repellers of the market are all single ultrasound, but our product is double ultrasound.