Usage Tips:The world's est 4-in-1 multifunction gauge. Convenient Installation by multi-plug socket connecting way. The gauge has the advantages of high precision, quick location confirmation and short start up time. Most importantly, the gauge is easy to setup, and can be used in all vehicles, boats and off-road vehicles. Technical Data: Fixing dimension: 85mm Indicating Range: Oil press. meter: 0-10Bar Water temp. meter: 40-120℃ Fuel level meter: 0-190ohms/240-33ohms, empty-full; (The signal can be adjusted) Voltmeter: 8-16V Working Voltage: 12V Backlight: Red Protection grade is IP67, the whole body is completely waterproof. Excellent antifogging function. Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:C:Silver background with silver edges Material:Stainless steel Package Contents: 1 * 4-in-1 Gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.