SQDeal Ultrasonic Pest Repeller, Non-Toxic No Chemicals Cockroach Rodent Mosquito Fly Insect Electronic Pest Control Repellent for Factory Store Warehouse Indoor Garden Kitchen etc (1) Feature: Ultrasonic electronic anti-mosquito Repeller. &lt;1&gt;Color: White. &lt;2&gt;Plug Type: US plug. &lt;3&gt;Size: 9 * 5.7 * 2.8 cm Rated voltage :90-250 (V). Frequency :22-65 (HZ), Rated frequency: 50-60 (HZ). It ships from China, usually, it takes 7-15 days for arrival.