• Advanced technology: uses dual-frequency ultrasonic and electromagnetic waves to effectively repel insects, spiders, and mice. • Safe and eco-friendly: made with non-toxic and non-radiative materials, including flame-retardant ABS, safe for humans and pets. • Silent and efficient operation: operates 24 hours a day with minimal energy consumption. • Wide coverage: effective in indoor spaces up to 1,100 square feet, ideal for homes, warehouses, and offices. • Easy to use: simply plug it into an outlet and it starts working immediately, with visible results in 3-4 weeks. • Product dimensions: 1 cm wide, 1 cm high, 1 cm long.