Aerith Ultrasonic Pest Repeller 6 Pack 2020 Upgraded Electronic Pest Repellent Plug in Indoor Pest Control for Insects Mosquito Mouse Cockroaches Rats Bug Spider Ant Human and Pet Safe

Product Details: Color: White  Mterial : ABS Input: Frequency: 22-65 KHz Input: Voltage: 90V-250V Power: 3-5w Size 2.7*1.68 *1.5 inch Operating Temperature:0-40 c Effective Range: 1600 square feet Package Including: 6 Packs  Recommendation  1. The ultrasonic pest repeller is for indoor use, and shall be installed 80-120cm away from the floor and in vertical position and then forget about insects and rodents . 2. The installation point shall be avoided from curtain fridge, and any other obstacle that deterring or attaching frequency  3. Mouse and pest activity might increase in the first using days because they are running away from attack of the ultrasonic.Usually, it will take 2-3 weeks to see typical results  4. Each room with pest infestation shall apply one unit.As ultrasonic could not pass through wall,additional units shall be applied for larger areas such as warehouse etc