【9 LED Strobes + 3PIR Sensors】Ultrasonic pest repeller ... 【360° Ultra-wide Coverage】 Ultrasonic mice repellent indoor, release ultrasonic frequency in 360° . The maximum effective ...
UPGRADED FREQUENCY CONVERSION TECHNOLOGY: Ultrasonic pest mouse repeller can simulate ... back yard and apartment. SAFE SPIDER REPELLENT INDOOR FOR KID & PETS: This rat repellent for house is ...
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Do ultrasonic pest repellents work?Ultrasonic pest repellents, such as Haycone Indoor Ultrasonic Repellent from Amazon emit sound waves at frequencies higher than what humans can hear, typically above 20 kHz. According to Nicole ...
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