Model: 8033 ultrasonic mosquito repellent, can effectively repel mosquitoes, mice, cockroaches, flies, small flying insects and other pests, the effective range is 120-150 square meters, applicable places: indoor environments such as families, hotels, hospitals, farms, etc., product power : 1w, voltage: AC90-240V, output frequency: 20KHZ-65KHZ, material: ABS flame retardant material