What's the difference
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The hardwire kit comes with red and black wire (Red wire goes to fuse that is on/off with the ignition and black is the ground) while the smart hardwire kit comes with a red, black and yellow wire (Red wire goes to fuse that is on/off with the ignition, black is the ground and the yellow goes to the always hot fuse). This allows the smart hardwire kit to power the camera even when your car is turned off. There's a feature on our cameras called gravity sensing. This feature can be used under the parking monitor feature which allows the camera to turn on automatically to record when there is an impact. In this case, the camera turns on with the help of the yellow wire. So if you use the hardwire kit with a camera that has the parking monitor feature, it will not turn on to record under gravity sensing because there isn't a yellow wire.
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