Ultrasonic Pest Repeller Umila 6 Pack Ultrasonic Plug in Electronic Reject Plugin for Mosquito, Mice, Roach, Spider, Insects

Super useful： use of advanced ultrasonic technology to repel pests. you can say goodbye to pests and mice in 3-4 weeks! Supersaver： The cost of electricity is less than $10 per year, compared to the hundreds of dollars per year spent on harmful pesticide spraying. Super safety： no noise, no smell, no chemicals, no poison, no radiation,100% safety. Super convenience: Simply plug it into an electrical outlet, the blue light will come on and he will start working. Super wide: it can cover an area of 800 to 1200 square meters, and is also widely used in bedrooms, warehouses, kitchens, offices, gardens.