The ultrasonic repeller uses the advanced technology, which can output frequency conversion ultrasonic wave to affect the auditory and nervous system of mice, mosquitoes, cockroaches and other pests and cause neurological disorders, loss of inappetence and mental fatigue, thus fleeing the scene. It also has an aromatherapy and atomization function, which makes it quite convenient to use. Protect your family from pest pests! Features: 2-in-1 function of ultrasonic repeller and aerosol repeller is applicable to repel mice , mosquitoes, cockroaches, spiders, ants, insects and other pests. It produces ultrasonic waves to affect the auditory and nervous system of mice, mosquitoes and pests to scare them away. \/> Aromatherapy and atomization: Built-in 12.5ml water tank for adding essential oil (at most 2 drops), creating a fragrant and soothing environment. 3 switchable modes: wave ultrasonic \/ ultrasonic wave + continuous spray \/ ultrasonic wave + intermittent spray. Different indicator light colors remind different status. Advanced and scientific design: Intelligent 16-segment frequency conversion to avoid pest adaptability. Rechargeable design, portable and lightweight, it can be widely applied in homes, hotels, restaurants, warehouses, supermarkets, offices and other places. Safe for mothers and babies, it can be placed under the stroller to keep children away. mosquitoes and pests. Note: 1. Pests may be active and disorderly about 3-5 days after use, this is is normal and you can see obvious effect after 2-3 weeks. Let the pest repeller work continuously for best results. 2. Size and color may be slightly different due to manual measurement and different lighting conditions, please in kind prevail. Thank you. Features: Color: Black \/ White (Optional) Material: ABS + PP Rated Power: 5W< br\/> Built-in battery: 1 * 3.7V 200mAh polymer lithium battery Tank capacity: 12.5ml (continuous spary for about 12min) Ultrasonic frequency band: 80Hz-125KHz (conversion of 16-band intelligent frequency) Item size: 6 * 3 * 7cm \/ 2.4 * 1.2 * 2.8in Item weight: 36.5g \/ 1.3oz Package size: 7.5 * 6.5 * 3 cm \/ 3.0 * 2.6 * 1.2 inch Package weight: 80g \/ 2.8 oz< br\/>