Appearance Material: ABS material Product power: 4-5W Size: 885630mm Working voltage: AC90-250V Output frequency: 50Hz-60Hz Range of action: about 100 square meters effective Range of action: about 100 square meters effective Wide coverage area: The applicable area of the ultrasonic insect repellent is 80-120 square meters. Widely used in homes, warehouses, offices, gardens, hotels, etc. Since ultrasonic waves cannot penetrate walls solid objects, it is recommended to put one in a room. Easy to use, plug play: just plug the Pest Control r-epellent into an outlet. Make sure to install it vertically 30cm above the ground. make sure there are no obstacles like curtains or cabinets in front of the repellent. Safe Environmentally Friendly: The insect repellent is safe harmless to humans, children pets, no need for poisons, traps kills. Repel pests in a non-toxic, environmentally friendly way.