Negative Positive
Title: Doesn't work - as in - not functional
Review: This item has no ON/OFF switch, and as soon as the battery was installed, it made a loud 'pop' which apparently indicated that it blew out the device, since it is not working. Tried a second battery, just to be sure if the first one (fresh package of batteries we bought SPECIFICALLY to use with this) might have been dead, but aside from making the same loud 'pop', the device remained completely dead. There is an LED light on the device, which is apparently supposed to light up to indicate that the device worked when the button is pushed, but it has never lit on any of the occasions when I have pushed the button, and if the device makes any sound, my dogs don't hear it. Most annoying part is that I cannot find the packaging to return it.
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