Devices that are easy to install and offer obvious benefits are gaining in popularity, such as motion sensors that send alerts when Windows and doors are opened and cameras to monitor activity.
那些安装便捷、益处多多的智能家居日渐流行起来，例如：当门窗打开时就会发送提醒的动作传感器，以及监视活动的摄像头等等。
Devices that are easy to install and offer obvious benefits are gaining in popularity, such as motion sensors that send alerts when Windows and doors are opened and cameras to monitor activity.
那些安装便捷、益处多多的智能家居日渐流行起来，例如：当门窗打开时就会发送提醒的动作传感器，以及监视活动的摄像头等等。
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