Vision Black | By Series - VDO Gauges High contrast clear white graphics and red pointers make Vision instruments easy to read. VDO patented movements provide smooth and accurate performance and long life dependability. Standard 0" spade connectors simplify wiring and VDO Spin-lok™ mounting makes installation fast and easy while providing a full 360° degrees of mounting force. Vision Black | By Series - VDO Instruments VDO Vision Instruments deliver world-class accuracy, reliability, and technology at very competitive pricing. These precision instruments feature stepper motor technology or air core movements for smooth, accurate performance and long-life dependability.