Features:Plug and play, easy to use.Using ABS flame retardant materials, non painting, reduce pollution.Strong stability, audio sensor using ultrasonic horn, non-buzzing film, emit an inaudible ultra-low-frequency sound that can drive away Rats, cockroaches, ants, spiders, mosquitoes, bedbugs, fleas.Nontoxic and harmless ultrasonic principle.The Ultra-low frequency electromagnetic waves emitted only aim at the internal pests and do not cause any adverse effects on the human body, household electrical appliances and pets raised in the family.Wide repellent protection area with 80~120 square meters, it is suitable for families, restaurants, hotels, hospitals, offices, farms and other places.Ultra-low frequency electromagnetic wave can penetrate the wall effectively without being blocked by objects, while ultrasonic wave can not penetrate the wall.Low-power consumption and energy saving.Specification:Rated voltage: 90-250VPlug: EU, UK, US (Optional)Voltage: AC90-250VRated Power: 5-6WSonic Frequency: 22-65khzApplication: 80~120m2Package List:1 * Pest Repeller1 * User ManualNotes:1. This repeller should be faced as far as possible indoors.2. This repeller does not have waterproof function so should be placed in a damp place.3. This repeller do not place in a carpeted place or near soft goods.4. Don't clean the repeller by strong impregnant, water or damp cloth. can use dry and soft cloth with some neuter wash to clean it.