--- product_id: 114978235 title: "DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm" brand: "dongmao" price: "FREE" currency: USD in_stock: false url: https://www.desertcart.us/products/114978235-dongmao-c500-5-inch-car-head-up-display-hd-projector store_origin: US region: United States of America --- # DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm **Brand:** dongmao **Price:** FREE **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm by dongmao - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/114978235-dongmao-c500-5-inch-car-head-up-display-hd-projector) ## Best For - dongmao enthusiasts ## Why This Product - Trusted dongmao brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description C500 OBD Functions: 1.Plug and Play connectivity with any OBDII or EUOBD capable vehicle 2.Screen 3.5 inch HD display 3.Multi-color design makes the screen more abundant and easier to read 4. Nano-technology to eliminate double reflections,more clear. 5. Contents: speed,RPM,water temperature,voltage,low voltage alarm,high water temperature alarm,over speed alarm, fatigue driving alarm,freely switch between kilometers&miles. 6. Auto power on/off: HUD start and off with vehicle started and shutdown, effective protection of the car battery;retaining the manual switch mode,more easy to control HUD. 7. 5-level brightness adjustment,automatic and manual brightness adjustment mode 8.Automatic and manual adjustment for high water temperature alarm 9.Automatic and manual adjustment for low voltage alarm 10.Automatic and manual adjustment for fatigue driving alarm 11.Alarm Icon: High water temperature / Low voltage alarm / shift reminder / over speed alarm / Fatigue driving / Engine Error 12.Multi-functions display: RPM / Voltage / driving distance /clock / water temperature / fuel consumption 13.Light sensor:HUD can automatically adjust the brightness according to the environment 14.Mileage unit:TRIP means the driving distance from engine start to off 15.Fuel consumption unit: unit of Average fuel consumption per hundred kilometers / instantaneous fuel consumption =AVG 16.Speed:digital display the vehicle driving speed 17.Speed unit :KM/H=kilometer/hour, MPH=Mile/hour ## Features - Clear Display:C500 Car Hud Has A Clear Led Screen Itself,And Adopts The Perspective And Reflective Glass Even In The Sun. Projecting The Information On The Display Onto The Reflective Glass, In Order To Avoid The Driver To Look Down Their Head To Watch The Instrument, And Decrease Car Accident - No Double Image:Using The High Quality Material Glass With Excellent Reflectance And Light Transmittance,No Double Image.Built-In Photosensitive Component, Which Senses External Light Intensity And Automatically Adjusts Hud Brightness To Suit The Environment,Display The Data Clearly Whether Day Or Night - Lots Information Display: Some Main Driving Information Can Be Displayed On This Head Up Display Screen,Including Speed,Water Temperature,Voltage,Fuel Consumption,Rpm,Driving Distance,Driving Time And Clock.With The Stereo Projection,Help You To See Clearly While Driving,Just Keep Your Eyes On The Road - Multi Reminders And Alarm:There Are 7 Kinds Of Reminders To Help You Know More Data Of The Car:Clear Fault Code,Over Speed Alarm,Fatigue Driving,Rpm Alarm, High Water Temperature Alarm,Low Voltage Alarm And Shift Reminder - Plug And Play: Hud Car Head Up Display Is Only Suitable For Cars With Obd2 Interface.For Those Suitable Cars ,Just Plug-And-Play Hud.It Takes Only 3 Steps To Install Through The User Manual On Your Car - ›See more product details ## Images ![DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm - Image 1](https://m.media-amazon.com/images/I/61iJpD8l4nL.jpg) ![DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm - Image 2](https://m.media-amazon.com/images/I/71Tu03kxJUL.jpg) ![DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm - Image 3](https://m.media-amazon.com/images/I/61oucE7Mi9L.jpg) ![DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm - Image 4](https://m.media-amazon.com/images/I/61tNiD3lYQL.jpg) ![DONGMAO C500 5 inch Car Head Up Display HD Projector Digital OBD2 Mileage Altitude Time Travel Speed Alarm - Image 5](https://m.media-amazon.com/images/I/61QtBBrz+oL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/114978235-dongmao-c500-5-inch-car-head-up-display-hd-projector](https://www.desertcart.us/products/114978235-dongmao-c500-5-inch-car-head-up-display-hd-projector) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-11*