Does the usb have to be plugged into my pc or xan i plug it into the back of my tv

You could try bc some smart tv with internet ready has usb port where you could plug a wireless mouse and keyboard. This overlay is just like a giant trackpad or mouse that navigate the entire tv screen, it senses the exact location of your finger like a gps.

How many actual touch points?

Dear Friend： Actually 10 point touch point.

is that work with android TV?

Some tv has usb port where you could use wireless keyboard and mouse.

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Chengying 21.5 inch (16:9) Infrared Multi-Touch Overlay - IR Touch Frame - 21.5" Infrared Touch Panel - USB Interface - with Protective Glass

Chengying 21.5 inch (16:9) Infrared Multi-Touch Overlay - IR Touch Frame - 21.5" Infrared Touch Panel - USB Interface - with Protective Glass

Product ID: 382829736

Details

Aspect ratio
16:9
Brand
Chengying
Resolution
32768 x 32768
Screen size
70 Inches
Screen surface description
Glossy [P]

⚡8ms ultra-fast response

🔆150,000 lux ambient light immunity

🔲23.6" sleek touch frame

$333.20

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Description

🔲 Elevate your screen game—touch, tap, and conquer your workspace!

ROBUST SLEEK DESIGN - Slim profile with protective glass ensures durability without bulk.
PLUG PLAY SIMPLICITY - No drivers needed—just USB connect and start touching across Windows, Mac, and Android.
SEAMLESS TOUCH UPGRADE - Transform any display into an interactive touchscreen in minutes.
LIGHTNING FAST RESPONSE - Experience ultra-smooth, lag-free multi-touch with an 8ms response time.
SUNLIGHT PROOF PRECISION - Operate flawlessly even under direct sunlight with 150,000 lux ambient light immunity.

The Chengying 23.6" Infrared Multi-Touch Overlay is a high-precision, USB-powered touch frame that converts any compatible display into a responsive multi-touch screen. Featuring an ultra-fast 8ms response time, strong ambient light immunity up to 150,000 lux, and driver-free plug & play compatibility with Windows, Mac, and Android, it’s designed for seamless integration in professional environments like boardrooms, kiosks, and digital signage. Its slim, protective glass design ensures durability while maintaining a sleek aesthetic.

Specifications

ASIN	B09PL1CMCN
Additional Features	Touchscreen
Aspect Ratio	16:9
Aspect ratio	16:9
Best Sellers Rank	#77,945 in Computers ( See Top 100 in Computers ) #2,013 in Computer Monitors
Brand	Chengying
Built-In Media	USB port
Color	red
Compatible Devices	Computers and Android boxes with compatible operating systems and a USB port
Connectivity Technology	USB
Customer Reviews	4.3 out of 5 stars 457 Reviews
Display Resolution Maximum	32768 x 32768
Display Technology	Touch Overlay only, no display, no monitor
Display Type	no display
Hardware Connectivity	Infrared, USB
Has Color Screen	No
Item Dimensions D x W x H	8D x 18W x 8H millimeters
Manufacturer	Chengying
Model Name	23.6 inch
Model Number	769326472006
Native Resolution	32768 x 32768
Pixel Pitch	0.26
Power Consumption	2 Watts
Processor Count	1
Refresh Rate	450 Hz
Resolution	32768 x 32768
Response Time	8 Milliseconds
Response time	8 Milliseconds
Screen Finish	Glossy
Screen Size	23.6 Inches
Screen size	23.6 Inches
Screen surface description	Glossy
Shape	Rectangular
Specific Uses For Product	Multi-purpose, versatile
Total USB 3.0 Ports	1
Total Usb Ports	1
UPC	769326472006
Unit Count	1.0 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$333.20

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

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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