HIYAA pest repeller can cover an area up to 1100 to 1300 square feet, so no worry your room is too big to cover. The Upgraded Pest Repeller adopts modern high-tech means, emits ultrasonic and electromagnetic waves, with intelligent frequency conversion dual-wave function, so pests cannot adapt or build immunity. By stimulating the pests' nervous systems and auditory systems, making them uncomfortable and uneasy so they flee the scene, their living environment is breached, reducing the number of pests right from the source. It effectively drives out mice, cockroaches, spiders, ants, bugs, flies, mosquitoes, and other pests, and is at the same time safe for humans and pets. It is an absolutely economically practical insect repellent plan.
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