Besides the 3 "ExpressKeys" added in the H420, what other differences have been made with the Huion H420 compared to the older Huion 420?

There is no other differences between the two models other than the express keys. Thank you.

I want to write over ppt slides/pdf docs, and be able to erase partially. Will the device work for me?

I haven't tried to write on a pdf doc myself so I'm not certain how it would function. But the tablet acts like a mouse with a pen, so as long as the program that you are using supports pen/drawing function, such as Microsoft one note or the latest version of PowerPoint, the tablet is compatable with the function (I just tried it with PowerPoint and OneNote and they both allow you to erase just part of a stroke). So in short, if the program already has the function, the tablet supports it. As far as I know, it doesn't add a drawing function to a program if it does not already support it.

I bought this tablet a while ago and lost the pen. I am buying a new Huion tablet that has a different pen, will it work for this one too?

P80 and P68 work with the tablet. If you don't know, you can send your tablet model to the following email address for help : service-us@huiontablet.com

Does the surface of this pad scratch easily?

Nope, had it for a while and still don't have any scratches at all. I also dropped it by mistake a few times and it still works well.

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H420 OSU Drawing Tablet 4x2.2 inch | Signature Pad, 3 Express Keys, Portable, Plug-and-Play, for Beginner, Signature, Sketch, Drawing, Writing

Product ID: 3320581

Details

Brand
HUION
Connectivity Technology
USB
Operating System
Windows 7 and
Pressure Sensitivity
2048 Levels
Special Feature
Stylus

⚡Plug-and-play USB connectivity

📏4 x 2.23 inch active drawing area

🖊️2048 pressure sensitivity levels

$48.97

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Description

🖌️ Elevate your creativity anywhere, anytime — don’t just draw, make your mark!

EFFORTLESS SETUP - No drivers needed—just plug in via USB and start creating immediately, saving you time and hassle.
COMPACT POWERHOUSE - Slim 7mm thickness and lightweight 127g design fit perfectly in any workspace or travel bag.
CUSTOMIZABLE WORKFLOW - 3 express keys on the tablet plus 2 on the stylus let you tailor shortcuts for ultimate productivity.
VERSATILE COMPATIBILITY - Seamlessly integrates with Windows and Mac OS, supporting top creative apps like Photoshop and Illustrator.
PRECISION AT YOUR FINGERTIPS - Experience natural, paper-like drawing with 2048 pressure sensitivity levels for flawless strokes.

The HUION H420 OSU Drawing Tablet is a sleek, ultra-portable digital drawing tool featuring a 4x2.23 inch active area and 2048 levels of pressure sensitivity. Designed for beginners and professionals alike, it offers plug-and-play USB connectivity, customizable express keys, and broad software compatibility, making it ideal for digital art, note-taking, and remote collaboration.

Specifications

ASIN	B00DM24HNE
Active Surface Area	4 inches x 2.23 inches
Additional Features	Stylus
Best Sellers Rank	#156 in Computer Graphics Tablets
Brand	HUION
Built-In Media	Tablet, wireless pen, user manual (English language not guaranteed)
Color	Black
Compatible Devices	Desktop, Laptop
Connectivity Technology	USB
Customer Reviews	4.1 out of 5 stars 2,634 Reviews
External Testing Certification	não aplicavel
Global Trade Identification Number	06020615194882
Item Dimensions L x W	6.97"L x 4.41"W
Item Weight	127 Grams
Manufacturer	ShenZhen Huion Animation Technology Co., LTD
Mfr Part Number	H420
Model Name	H420
Model Number	H420
Native Resolution	4000 LPI
Operating System	Windows 7 and above, Mac OS 10.12 and above,
Pressure Sensitivity	2048 Levels
Screen Size	23 Inches
Special Feature	Stylus
Specific Uses For Product	Digital Drawing/Online Learning/Remote Working
Target Audience	Student
UPC	601706976448 519670707916
Unit Count	1.0 Count
Warranty Description	1 Year warranty

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$48.97

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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