Analog Display Tachometer & Digital Display Hour Meter. Rustproof, Anti-Fog & UV-. Hour Meter Records to 99999.9 Hours & Automatic Roll Over Resolution 0.1 Hour. Volt Gauge, Level Gauge, Water Temperature Gauge & Oil Pressure Gauge with Warning Function. Gauge Set (Except Volt Gauge) Requires 12 V Negative Ground Systems. Volt Gauge Requires 12 Volt Negative Ground Systems. Functions:current tacho/RPM and hour Operation mode:LCD display, stepper motor Tachometer fit for Car/Truck/Boat/ Generator Engine/Gasoline Engine 5 Gauge Set+Switch Panel Tachometer:3000RPM Level Gauge:0-190ohm Water Temp Gauge:40-120℃ Oil Pressure Gauge:0-10 Bar Voltmeter:8-16V Backlight:7 colors backlight Note: Installation guide not included, we strongly recommend you 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:Black Material:Stainless steel + Plastic Package Contents: 1 * LED Gauge Set with Instrument Switch Panel 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.