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 2023 New Speedometer HUD GPS Digital Speed Meter MPH Speedo Head Up Display for Cars Trucks, USB Cable Plug & Play (G20-Only Green)

VJOYCAR 2023 New Speedometer HUD GPS Digital Speed Meter MPH Speedo Head Up Display for Cars Trucks, USB Cable Plug & Play (G20-Only Green)

Product ID: 539199950

Details

Brand
VJOYCAR
Item weight
0.11 Kilograms
Material
Acrylonitrile
Number of Items
1
Unit count
1 Count

📡GPS-based speed accuracy

🔋Auto on/off with vibration sensor

🚗Universal vehicle compatibility

181.40 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Drive smarter, not harder — see your speed in a flash!

PLUG PLAY SIMPLICITY - No setup, no buttons—just USB power and go.
SMART POWER MANAGEMENT - Automatically powers on when driving and shuts off after 3 minutes idle to save energy.
UNIVERSAL COMPATIBILITY - Works flawlessly on cars, trucks, motorcycles, boats, and more.
RELIABLE GPS SPEEDOMETER - Independent of your vehicle’s electronics for precise speed tracking anywhere.
CRYSTAL CLEAR HUD DISPLAY - Bright green digits with zero double images, even in harsh sunlight.

The VJOYCAR 2023 G20 HUD GPS Speedometer offers a sleek, plug-and-play digital speed display that projects bright green MPH readings directly onto your windshield without any film or distortion. Compatible with virtually all vehicles, it uses GPS for precise speed data, features an automatic vibration-activated power system, and requires zero setup—perfect for the modern driver who values clarity, convenience, and cutting-edge tech.

Specifications

ASIN	B0BKG5KYXV
Best Sellers Rank	#61,415 in Automotive ( See Top 100 in Automotive ) #140 in Automotive Speedometers
Brand	VJOYCAR
Brand Name	VJOYCAR
Customer Reviews	4.2 out of 5 stars 1,096 Reviews
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
Item weight	0.11 Kilograms
Manufacturer	VJOYCAR
Material	Acrylonitrile Butadiene Styrene (ABS)
Material Type	Acrylonitrile Butadiene Styrene (ABS)
Model	G20
Number of Items	1
Number of Packs	1
Part Number	G20
UPC	610521672619
Unit Count	1 Count
Unit count	1 Count
Warranty Description	12 months

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Best international shipping I've ever tried. Worth every penny!

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

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181.40 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

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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