The device is smaller than you think, each lamp is about the size of a pea. But the real problem is that compared to several other devices I've bought here, they're so dim (not bright) that you can barely see them. Second, the device is turned on only by a momentary button. by pressing and releasing the power button on the side of the device. So if you try to group this with other lights, you won't be able to turn them on by toggling the device on or off (even if you set the switch to always be on). pressed - still won't turn on until you release the power button)
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