Ultrasonic mouse repellent mosquito repellent has the function of ultrasonic wave + bionic sound wave + light control night light. Scope of action: 100-150 square meters, scope of application: normal use in various environments, product size: 90*53*44 (mm), operating voltage: AC90-110 (V)/60HZ, C180-250 (V)/ 50HZ, output frequency: 20HZ-120KHZ, appearance material: ABS flame retardant material.