Description Caution: color: we ship according to the color of the first picture, in the package: if the quantity is not stated in the description, we will ship the item according to the quantity and model number in the title. 6Pcs ultrasonic plug in pest repeller deter mouse mice the product is shipped based on the color or size of the main image of the product page. Quantity:6pcs ultrasonic pest repeller, plug-in insect repeller, electronic bionic wave insect repellent, indoor pest control ultrasonic insect repellent for mosquitos, flies, ants, bed bugs, fleas, roaches, mice package includes: 4/6 x ultrasonic pest repeller specifications input voltage:90-250v rated frequency:50~60hz input frequency:25~65hz output power:4~6w output audio:20-55khz using environment temperature:0~40c with built-in led night light how to use: -the machine should be installed in the 20-80 from the ground centimetres, requirements of vertical to the ground surface is inserted into the power socket -mounting points should be avoided as far as possible, carpet, curtains and other sound-absorbing material, in order to prevent pressure reducing the domain becomes small and effect -using the former days, if it is found that the mice, pests and other activities increased significantly, is a normal phenomenon. Because usually hide in the nests of rodents and pests by ultrasonic wave after the attack,in succession escape from its original place to hide -do not use strong solvent, water or wet cloth clean body, pay attention to moisture-proof, waterproof. -The use of the environment temperature:0-40 degrees celsius, do not let this machine is strongly affected by the impact or fall. Description do you looking to get rid of unwanted little visitors Then your search for an effective and chemical-free pest control is finally over people slowly moves away from poisons, chemicals, and traditional traps heading to a more humane way to deal with pests. This ultrasonic pest repellers utilize a high-pressure ultrasonic sound that is higher than the human hearing range to keep insects and rodents away from its coverage. Once you turn on the device, it starts broadcasting an irritating sound at frequencies audible only by rodents and other crawling pests. Since humans are unable of hearing sounds within that frequency range, it seems like nothing is happening, but the small device is really doing its magic can be used for various occasions: home, office environment, warehouses, supermarkets, hospitals, granaries, rooms, hotels. Features newest chip technology: ultrasonic pest repeller adopts the latest chip to repels bugs by emitting an ultrasonic wave of different frequencies. Such as mosquitoes, spiders, cockroaches, mice, fleas, etc, the dual ultrasonic work simultaneously to disorientation ate the hearing and nervous system of pests to drive them away from your home. Whats more, this pest repellent wont kill the pests. Keep humans pets safe: we used advanced ultra-quiet design, and the ultrasonic frequency is only available to pests, such as mice. Humans and pets wont hear anything and no harm to pregnant women and children. But if you keep a hamster as a pet in your home, do not use this pest control repeller. Wide effective coverage: the pest warrior can be used in different places such as house, office, hotel, warehouse, and so on, which is effective for an area up to 150 sq. Due to the solid walls will weaken the effect of an ultrasonic wave, we suggest using 1 unit per average-sized room with a pest problem. Additional units will be required in larger areas. High cost-effective: it only costs 0.144 Kwh if it works for 24 hours, compared with the expensive exterminating company, it will help you save money and time, and long-lasting way to repel pest and mice. Easy to use: just plug the pest control repellent into the socket. Please make sure to install it vertically 10-40 in away from the floor. And make sure there are no barriers like curtains or cabinets covering in front of the repellent. Most customers can see the results within 2-3 weeks then we can say goodbye to pest and mice