Hign-concerned Chemical:NONEOrigin:Mainland ChinaMaterial:ABS PlasticFeature: New racing instrument, LED digital display, 7 colors adjustable Ten self-checking modes, adjustable alarm value, adjustable multi-color, adjustable brightness. Digital display, accurate match. Power on Self Check with sound Specifications: Size: As Shown Material: ABS Plastic Fit to All Kinds of 4/6/8 Cylinder Engine Cars (the turbine meter can only be installed in a car with turbine.) Visible Angle: 270 Degrees Light Colors: 7 Colors (Switchable) Installation : Power cord: the orange wire is connected to the positive electrode of the battery, the black wire is connected to the negative electrode of the battery, and the white wire is connected to ACC Signal line: one end is connected to the meter head, the other end is directly inserted into the turbo sensor Package Included: 1 x Gauge Holder 1 x Turbo Gauge 1 x Tube 2 x Cable 1 x Adhesive Tape 1 x English Manual Do dropshipping ? Yes,we do.If you have any question please contact us. Production Material Safety? All products are 100% brand new, workable and checked carefully before sending out. When is the parcel sent? We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather, public holidays and so on. If order doesn't received in declare time, please contact us. How about refund? Full refund if the item does not match the description or defective.