OrganicDews Coconut Coir Peat Block, Expands Upto 15 to 17 Gallons After Adding Water Say goodbye to poisons and chemicals:The pest repellent does not use dangerous and harmful poisons. Just plug in and enjoy. No battery needed! Application: pest control products uses state of the art ultrasonic and ElectroMagnetic technology to drive pests away , which drive pests out of your home for good. Mice, rats, spiders, roaches, mosquitoes, ants ,snakes , rats and more; None are immune to the sound and completely leave after a few short weeks of use. Easy to use : Simply plug our electronic pest control mouse repellent in the unit and let it do the rest. Use 1 unit per average-sized room with a pest problem. Additional units will be required in larger areas.Areas such as attics, basements, garages and large storage areas may require more than one unit. Perfect Accessory for Indoor Rodent Control. The latest chip technology, this upgraded ultrasonic mosquito repellent uses the latest chip technology to drive pests and rodents out of their homes. The latest chips enhance the frequency and intensity of ultrasound to better stimulate or interfere with the pest's nervous syste 60-DAY MONEY BACK GUARANTEE - MONEY BACK and 100% SATISFACTION GUARANTEE. Feel free to contact us to ask a new replacement or money back if you haven't see any result after plugging in 4 weeks or have any other dissatisfaction. We will reply to you within 24 hours.