原文：Really disappointed in this product, I truly was hoping it would work. I live in an agricultural community and get mice every year. They always take up residence in the ceiling of my living room/floor of the bathroom. I originally purchased two of these units; one for the bathroom and one for the
kitchen (last thing I wanted was for them to migrate to the food room!). After two or three days, I could HEAR them relocating through the walls to an area further away from the Ultrasonic device. I thought, "great, it's working, I just need to get more!" Purchased an additional unit for my second floor bedroom and one for the attic, total of four devices in my relatively small house (one on the first floor, two on the second, and one in the attic). And then I waited.And waited.And waited.Two weeks later (three since the first two were installed), I walked into my kitchen and saw a mouse rush right past the ultrasonic device plugged into the wall, right across the top of my stove. Called an immediate end to the "Ultrasonic" experiment and went out to purchase the tried and true method (poison). Because I had waited so long in the hopes that the more humane method would work, I had quite the infestation on my hands. I've still got the devices plugged in, hoping maybe they'll deter new prospects from taking up residence, but it definitely did not work on my current (now former) inhabitants.
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译文：
真的对这个产品很失望，我真的希望它会有效。我住在一个农业社区，每年都有老鼠，他们总是住在我的起居室、浴室的天花板上。我最初买了两个：一个放在浴室，一个放在厨房（我最不想要的是把它们搬到食品室去！）经过两到三天，我能听到他们在墙壁上移动到远离超声波装置的区域。我想，“太好了，它起作用了，我要多买一点！”我给二楼卧室和阁楼都买了，在我相对较小的房子里总共有四个设备（一个在一层，二个在第二个，一个在阁楼）。然后我慢慢等待结果。
等待。
等待。
两周后（在安装的前两个房间里装了三个），我走进厨房，看见一只老鼠冲过来，正好从墙上的超声波装置里插入，正好在炉子的一端。称之为“超声波”实验的立即结束，然后去购买，试验真正的方法（毒药）。因为我等了这么长时间，希望更人性化的方法能起作用，我的手就受到了很大的感染。我仍然把设备插上电源，希望他们能阻止新的状况，但它肯定不会对我现在（现在的）居民产生影响。
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