6 Pack Pest Repellent Ultrasonic Plug In CF+VF Dual Frequency Rodent Mouse Mosquito Bug Insect Spider Repeller No Harm to Human Pets 1000sq.ft Electronic Pest Control for Kids Adult Indoor Features: Easy e and High Efficiency: Electronic pest control is directly plug in and use, effectively reduce mosquito bites and disease transmission, protect food and furniture from being damaged by pests.3W low consumption and eco-friendly. Intelligent Inverter Ultrasonic Pest Repeller: Electronic pest repellent adopt intelligent frequency conversion with different sound wave frequencies, stimulate and destroy the pest nervous system, and keep pests away from the house. Dual Frequency Mode: CF+VF dual frequency mode and microelectronic technology, which can simultaneously and intermittently generate dual frequency ultrasonic waves, thus preventing pests from becoming immune to a fixed frequency. Widely Applicable: Multifuntional insect repellent is widely used for mosquitoes, rats, cockroaches, flies, ants, spiders and other pests in living room, bedroom, kitchen, office, warehouse, supermarket, basement, ect. Note: ONLY for indoor. Large Effective Area: Powerful ultrasonic wave covers up to 100㎡/1000ft², 360 degree full coverage sound wave ensures pests are no place to hide. It is recommended to add 1 repeller for every additional 150㎡/1600ft² of applicable area. No Harm to Human and Pets: Indoor pest repeller features physical technology, non-toxic and radiation-free. Low frequency sound waves are safe to kids, adult and pets. Specifications: Plug type: US plug / UK plug / EU plug / AU plug (optional) Color: White and Blue Main Material: ABS Power: 3W Voltage: 90V-220V Frequency: 22-65KHZ Size: 55*30*90mm/2.2*1.2*3.5in Weight: 35g/1.2oz Package List: 6 * Ultrasonic repeller 1 * Manual