12V 37mm Micro Red LED RPM Tachometer Tach Gauge Digital Smoked Lens Black<br /><br />Specification:<br /><br />Shell Color: Black<br />Lens Color: Smoke<br />Material: Aluminum<br />LED Display Color: Red<br />Gauge Dimension: about 70mm x37mm x37mm<br />Operating Voltage: 12V DC<br />Gauge Wire Length: about 54cm<br />The distance between two mount hole center: about 32mm<br /><br />Features:<br /><br />- Anodised black metal material， durable<br />- 37mm diameter micro digital gauge<br />- Unique smoke lens design<br />- Red LED digital display， easy viewing at all angles during lighting conditions<br />- Simple installation， user manual included<br />- Universal fit for 4-6-8 CYLINDER ENGINES<br /><br />Wiring:<br /><br />RED - to ignition switch 12V<br />BLACK - ground<br />GREEN - connect to tach output terminal only!<br /><br />Note:<br /><br />1. Please check the size measurement chart carefully before making payment.<br />2. Please allow 0.5-1 inch difference due to manual measurement.1 inch=2.54cm<br />3. The color of the actual items may slightly differentthe listing images due to different computer sn， thanks for your understanding.<br />4. Instruction is included.<br /><br />Package Included:<br /><br />1 x Smoke Lens RPM Tachometer<br />1 x English User Manual<br />Mounting Accessories