I purchased these to power up the add on cameras I bought for my expandable 960p Safevant 8 channel wireless camera system, since the add on cameras from Safevant do not come with power supplies. The adapter plugs connect firmly to the camera power supply jack, and the cameras work fine. The cords on these are about 4 feet shorter than those supplied by Safevant with the original kit cameras, but where I am using the cameras I would have needed the separately purchased extension cords anyway.
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