E30 USB Charger + Voltmeter

New and improved. Every detail of all of our products has been improved, revised, upgraded, or changed to make the experience better for everyone. I've optimized all of my designs to make installation and use easier for you and assembly easier and faster for me. The filament is darker, stronger, and the texture is a much closer match to the factory grain. There's countless other little changes, but I'll let the photos speak for themselves.  The best of both worlds. If you have to choose between one of our USB chargers and one of our voltmeters, hey actually no you don't because here comes our USB + Voltmeter combo! The accuracy of the meters is dead-on and the amber glow matches the OEM interior illumination color. I calibrate them personally during final installation and verify one more time before shipping them out to you. The USB outlet in this model is the same as our fast USB model. Note:  There's nothing inherently wrong with this voltmeter, however, the cigarette lighter wiring