Jeanette Ultrasonic Pest Repeller,2019 Pest Control Set of 4-Packs Electronic Plug in Repellent Indoor for Flea,Insects,Mosquitoes,Mice,Spiders,Ants,Rats,Roaches,Bugs,Non-Toxic,Humans & Pets Safe

Ultrasonic Pest Repeller ?Ultrosonic Pest Repeller ?No Poisons ?No Chemicals ?No Insecticides ?No Traps Specifications: Frequency range: 24KHZ-110KHZ Input Voltage: AC90V-250V/50-60HZ Effective Range: 800-1200 square feet Installation height: 20-30cm from the ground Power: <3W Instructions: 1.This machine can be put directly to the AC 220V or 110V plug (Voltage: AC90V-250V, Frequency 50-60HZ. 2.It should be installed at about 12 inch away from the floor and the installing point should be aboided from the back of the curtain,fridge and any other furniture that deterring sound waves. 3.Operating temperature range: 0-40C. 4.Don’t clean the machine with strong impregnant cleanser or damp cloth. 5.Don’t drop the machine and make strong strike on it. 6.It’s Normal that the activity of insects and rodents increase at the beginning of using days,as they are getting away from their living place after the attack of the unltrasonic. Usually it takes 3 weeks to make it all gone. 7.The ultrasonic annot rravel through walls,so it’s better to put 1 or 2 machines in each room.