Can it work on EV electric-vehicle? I want to find a speedometer for my model 3.

If you have a USB port or a cigarette lighter port on your car, (don’t know if they even put lighter ports in cars now) this unit works with all cars trucks and commercial vehicles that do have these ports or outlets. This unit does not show mileage driven only your speed.

How can we switch between mph and km/h?

Hi, thanks for your kind message. may i know where you will use this HUD GPS Speedometer? As far as we know, all cars use speed in MPH in USA, our device only has MPH speed also, we aim to offer a very simple but very accurate Speed Display. If you need display in speed in KM/H, please tell me again, we will introduce another model for you. Thanks again.

How accurate is it? Does any one compare it to car or phone?

I tested it against the GPS program on my phone and it was +/- 2 mph on average..

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VJOYCAR New Speedometer HUD GPS Digital Speed Meter MPH Speedo Head Up Display for Cars Trucks, USB Cable Plug & Play (G20-Only Green)

Product ID: 493153640

Details

Brand
VJOYCAR
Item Weight
0.11 Kilograms
Material
Acrylonitrile
Number of Items
1
UPC
610521672619

📡GPS satellite speed data

🔌Plug & Play USB connection

🚀10 Hz real-time refresh rate

159.67 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🚗 Stay Ahead of the Curve with VJOYCAR’s Real-Time Speed HUD!

TRUSTED SUPPORTED - Join over 1,100 satisfied users with 24/7 customer support and a reliable refund policy if expectations aren’t met.
INSTANT SPEED UPDATES - Experience lightning-fast 10 Hz refresh rate for real-time speed tracking that leaves competitors in the dust.
SMART POWER MANAGEMENT - Automatically powers on/off with your car’s ACC, ensuring zero battery drain and maximum convenience.
UNIVERSAL GPS ACCURACY - Harness GPS satellite data for precise speed readings across all vehicle types—no engine or OBD interference needed.
EFFORTLESS INSTALLATION - Plug & play design with USB cable means zero setup hassle—just connect and drive.

The VJOYCAR G20 HUD GPS Speedometer delivers ultra-responsive, real-time speed data via a 10 Hz chipset, using GPS satellites for universal vehicle compatibility. Its plug-and-play USB design ensures effortless installation, while automatic power control maximizes convenience and efficiency. Trusted by thousands, it’s the smart upgrade for any driver seeking precision and style on the road.

Specifications

ASIN	B0BKG5KYXV
Best Sellers Rank	#10,848 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Speedometers
Brand Name	VJOYCAR
Customer Reviews	4.2 4.2 out of 5 stars (1,139)
Included Components	HUD
Item Type Name	Universal HUD GPS Speedometer Digital Speed Meter Head Up Display Plug and Play for Cars Trucks Big Fonts KMH MPH New Car Accessories Electronics Factory Direct Offer Low Cost
Item Weight	0.11 Kilograms
Manufacturer	VJOYCAR
Material Type	Acrylonitrile Butadiene Styrene (ABS)
Model	G20
Part Number	G20
UPC	610521672619

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159.67 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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