Anet a8 Volt Gauge shell and mount

I got a couple of 12v to USB car plug in things, that displays incoming voltage in blue and temp in red. Not really worried about using the USB port but these were really priced well over other volt gauge options. After building my anet a8 I wanted to watch the voltage, seems everyone does. So I played with a couple of ideas about making a plug in for the gauge and took it apart. Soldered power wires to it. Then I decide to make a gauge mount for it and this is what I came up with. It mounts beh