Description: Ultrasonic Pest Repeller Plug is a effective and safe way to protects your home from all kinds pests, like Fleas, Mosquitos, Bed Bugs, Cockroach, Rats, Rodents, Roaches, Mice, Insect, Ants, Spiders, The range of 24-64 KHz ultrasonic keep changing to avoid mosquito adaptation to a certain frequency. Specifications: Color: White + Blue Plug Type: U.S / E.U / U.K (Optional) Packing: 1 pcs / 2Pcs / 4Pcs / 6Pcs (Optional) Ultrasonic Frequency: 24-64 KHz Input Voltage: 90-250v Output power: 4-6W Size: 90 * 55 * 30mm / 3.5 * 2.2 * 1.2in Material: ABS Package Size: 9 * 6 * 5.5cm / 3.5 * 2.4 * 2.2in Package Weight: 53g / 1.9oz Package List: 2 * Ultrasonic Pest Repeller Plug