The Family Handyman on MSN1 年
Ultrasonic Pest Control: Does it Really Work?
On average, ultrasonic devices emit a sound at about 65,000 Hz which, according to ultrasonic pest control device ...
来自MSN8 个月
Do ultrasonic pest repellents work?
Intermittent use can allow pests to become accustomed to the sound. Supplementary Measures: Combine ultrasonic repellents with other pest control methods like traps, sealing entry points ...