Ultrasound Mouse Roach Household Pest Rejecter

Product Description : Size: about 100x50x45mm/3.94 x 1.97 x 1.77in， Material: ABS. Effect range: 1. pest repeller works in 50 ~ 80 square meters. 2. repeller can effectively expel House pests， roaches， mosquitoes， fleas， flies， crickets， ants， wood ants and other pests， so it is also called electronic pest repeller， electronic insect repellent and so on. 3.The ultrasonic sound pressure is far from the human ear hearing range， so it will not cause any harm for human and family pets ， and does not interfere with household appliances. 4. The repeller is safe and environmental protection， odorless and tasteless， energy consumption is very small (total power