Unlike other similar products, this product is a multifunction speedometer, which can be used to display speed, RPM, water temperature, voltage, instantaneous fuel consumption, average fuel consumption, driving distance measurement and so on. Comes with a 3.5inches large LED display screen, our multifunction speedometer ensures clear readout and visibility during daytime or nighttime driving. It is constructed of ABS material. Available for cars with OBD2 and EUOBD port. Automatic and manual brightness adjustment mode, glare-free. With reflective film, it also can reflect car information on the windshield. The length of this product is 9cm, the width is 5.3cm and the height is 1.5cm. This product is perfectly suitable for car, auto, vehicle, etc. Item Name: Car Speedometer Material: ABS Applicable Car Models: Universal Screen Type: LED Screen Size: 3.5inches Input Signal: OBD2 Picture Tube: LED Features: Portable, Smart, Easy to Read Size Details: 9cm x 5.3cm x 1.5cm/3.54" x 2.09" x 0.59" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Speedometer 1 x Reflective Film 1 x OBD Cable 1 x Anti-Slip Pad 1 x User Manual