1.This product is specifically designed for rats and insects. It only emits ultrasonic waves but not radiation waves. The product only Drive away but not Kill the rodents and insects, and is not harmful to the human body. 2.The product shall be installed 6 -25 inches above the floor and kept away from obstructions (sound-absorbing textiles such as blanket, curtain, sofa, and etc.). 3.The maximum working range for a single product is 800-1200 square feet, and we recommend that you can install 2-3 more to realize better effects. If you use the product in storage room, basement, kitchen, or large warehouse, try to install them at the diagonal the best result. 4.For your health, please give up using synthetic chemicals, mosquito repellent and other chemical liquids, as well as the mousetrap that can pose dangers to children. 5.After years of R&D and design upgrades, this product has obtained: FCC certificate (the human body radiation safety certification for electronic products, the market access condition in the United States) CE certificate (the product safety certification that is identified as a passport for the manufacturer to enter the European market) ROSH certificate (the certification of environmental protection for hazardous substances of products, a mandatory standard legislated by EU) Frequency 1:25KHZ---45KHZ time 160s Red light Frequency 2:35KHZ---55KHZ time 320s Green light Frequency 3:45KHZ---65KHZ time 180s Red lights green together
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