The dual-frequency conversion technology uses two ultrasonic and electromagnetic chips to confuse the auditory and nervous systems of pests, disturb their bodies, make them feel uncomfortable, and flee the place to achieve the goal of repelling all mosquitoes. Not only are they effective in repelling mice, cockroaches, mosquitoes, spiders, ants and other pests. Ultrasonic pest control is effective in indoor spaces up to 80-120 square meters and has a wide range of applications. In homes, warehouses, offices and hotels. Since ultrasonic waves cannot penetrate walls and solid objects, it is recommended to place the device in the room. For dense or large areas additional units are required. Extensive use of electronic repellents will protect you from all pests at all times. i.e. spiders, mice, mosquitoes, cockroaches, ants, snakes, butterflies, wasps, moths, fleas, flies, etc. Never immediate results; but you can see a difference after 3-5 minutes with 4 weeks of use. Easy to use, the
