Weitech ultrasonic pest repellent. interior use. repels small rodents (moces), ticks, fleas, spiders and crawling insects. protected area: 45 m². emission frequency: 25 to 80 khz. power: 0.7w. voltage. 220v-50hz. leave it plugged in 24 hours a day and you will see results after 2 weeks. it is safe for dogs, cats, birds and fish. keep out of reach of children