High EfficiencyUltrasonic pest repellent can send ultrasonic wave to repel common pests. It's an effective, safe and risk-free way to remove these pests from your living area Easy to UseJust plug the mite controller into the outlet, it will remove the mites and other insects from your room No Bother to Human and PetHuman cant hear the ultrasonic wave, so do the pets. The ultrasonic mite controller does no harm to human and pet Keep Apart from MiteBy sending ultrasonic wave, the mite controller can repel mite and other common insects efficiently Multiple ApplicationThis ultrasonic mite controller can work effectively in bedroom restaurants, hotels, hospitals, nursery school, etc Delivery Quantity: 1pc, Package Contents: Only the above package contents, excluding other products. Dimensions: 96x55x30mm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color: White (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)