Specifications: Name: Multi-functional Electromagnetic Wave+ Ultrasonic Pest RepellerMaterial: Acrylonitrile Butadiene Styrene(ABS)Power Supply: AC 110-230VOperating Current: 50mA-80mAPower: 5-8WUltrasonic Frequency: 22-85KHzEffective Range: 200гЋЎType: US Plug, EUR PlugSize:approx.  11cm x5.8cm x 5.3cmProduct Weight: approx.  79g Features:- Intelligent dynamic automatic frequency conversion.- Enhanced dual-horn repeller. High power, high permeability and built-in dual ultrasonic speakers, each product's repeller effect is 200%.- Using ultrasonic + electromagnetic waves to continuously cross-change the frequency, stimulating and destroying the auditory system makes it unbearable and adaptable.- Smart chip. The squirrel effect is increased by 200%.- Preg-nant women and children are available. The frequency is aimed at pests and is harmless to the human body.- The repeller is an ongoing process that takes 2-4 weeks.- EASY TO USE: Just plug it in, turn it on, and let it work its magic. The advanced system will immediately go to work , disrupting the smell, hearing, and nervous system of pests like: mice, mosquitoes, rats, flies, fleas, spiders, cockroaches, along with many other pests.- HIGHLY EFFECTIVE COVERAGE: Powerful dual horn with 360°of coverage that can attack and protect up to 200гЋЎ. A perfect solution for home, office, schools, kitchens, grocery stores, and warehouses.-Quiet OPERATION: Low decibels, work quietly without electric noise, do not disturb your sleep. Package Included:1 x Ultrasonic Pest Repeller1 x Manual