At first I couldn't add it to smart things. I plugged it into the wall (doesn't come with a power cord) and added it to my hub. When I checked the device in smartthings, the battery level was at 20% right out of the box. Siren is very, very weak. You can easily talk right next to him with the siren on. Not sure if this will wake you up with the bedroom door closed. Doesn't deter criminals at all. You will definitely need one on each level of the house. Save money on a "real" siren.
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