Head-Up Display Car HUD OBD2+GPS Speedometer Fault Code Elimination

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Car Head Up Display

Head-Up Display, the important function is to display the car dashboard information like vehicle speed, RPM, water temperature, voltage, travel distance, driving distance, etc.


Powerful and practical multi-function: speed, water temperature, engine RPM, voltage, driving distance, travel time, altitude, acceleration test, and brake test, single mileage.

Security Alert: water temperature alarm, voltage alarm, gear shift reminder, Overspeed alarm, fatigue driving reminder, engine failure alarm.

Exquisite and unique design, High-definition display lens, not affected by external light, no film is needed, hassle-free plug and play, easy to operate.

Early warning of low voltage vehicle high and water temperature before vehicle breakdowns, which ensure your safety while driving.

OBD2+GPS dual-mode is Suitable for All Vehicles.
OBD mode: water temperature, voltage, fuel consumption, RPM, etc. Alarm: Overspeed alarm, Engine fault alarm, Clear fault code, Free switching between kilometers and miles, Celsius and Fahrenheit switch freely.
GPS mode: vehicle speed,travel time, satellite time, altitude, satellite number, driving direction, single mileage, voltage, acceleration test, and brake test.


Product Name: Car HUD Display
Condition: New
Model: P17
Screen size: 3inch
Environment temperature: -40℃—+80℃
Atmospheric pressure: 86-106 KPa
Environmental noise: <= 60dB (A)
Alarm sound level: =30dB (A)
Working voltage: 11V ~ 18Vdc (12Vdc / 200mA)
Product size: 12.5*6.8*3.1cm
Package weight: 350g
Display Information: Vehicle speed/voltage/water temperature/fuel consumption/single mileage/speed/total mileage/travel time/travel direction/search stars number altitude/intake pressure/time/oil temperature/air fuel ratio/ pressure/data stream reading/acceleration test/brake test/intake pressure
Alarm: Speed Alarm, RPM Alarm, Voltage Alarm, Faulty Code Alarm, Overspeed Alarm, Water temperature alarm, Clean DTCS, Shift reminder, Engine fault alarm (free switch between centigrade and Fahrenheit)

Have Questions?Contact us

Shipping & Delivery

No matter where you are in the US, free shipping for USPS First Class Mail for all orders.

I placed an order! When will I get it?

YAY! Orders ship from our warehouse in China within 2 business day from when the order is processed. Orders placed on Friday after 12 p.m., Saturday, and Sunday are processed and shipped the following business day. During high volume, like a sale, the processing time may increase. For domestic orders, USPS delivers shipments may take up to 7-14 business days.

I haven’t received my order yet. What’s going on?

If you are in the US and it’s been over 10 business days since you placed your order, or if you are in other countries and it’s been over 15 business days since you placed your order, please let us know by emailing us with your name and order number. Thanks for your patience!

A note for international customers: Occasionally overseas shipments will take a longer time due to the delivery country’s customs. Each customs office is different and Tattly is not responsible for any fees or tariffs.

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Most products come with a FREE replacement warranty for 30 days from purchase.

  • If your purchase does not match the description or is the item is defective, please contact us within 48 hours of receiving your order - we will make sure that all of your issues are resolved.
  • If you received the wrong item, please contact us within 48 hours of delivery. We will arrange to deliver the correct items or return all your payment.
  • For defective or faulty products, please take photos or videos and email us at contact@seametal.net - we will replace or refund your purchase after confirmation.

PLEASE NOTE: This policy does not cover misuse, accidental damage, water damage, or any abuse of the purchased product.


Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange.

In order to receive your refund please follow the steps below:

Send us an email -> Customer Service Confirmation -> Return Product -> Refund

  • Products can only be returned if they are still in their original condition and packaging. Used products, or products damaged by the customer will not be eligible for refund.
  • Request your Return Authorization Number and by emailing contact@seametal.net with detailed reason for return and pictures or a video of the product that supports your reason. Our Customer Service team will respond to you within 24 hours. Upon approval, you will receive the RA# and the address of the closest warehouse where you can mail the product you would like to return.
  • To assure your refund please use a trackable mail service, we will not be responsible for lost or missing packages. We currently do not provide a return label. (You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Please make sure you send the item back as a gift as we don't cover custom fees for returns)
  • Upon the receipt of your package your products will be examined and a full refund will be issued to your original method of payment. A refund receipt will be emailed to the email address you used when making your original purchase.
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Head-Up Display Car HUD OBD2+GPS Speedometer Fault Code Elimination
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