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<title><![CDATA[EC21 Product Catalogs - zoom controller]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/zoom_controller--2918/1/zoom controller.html]]></link><item>
<title><![CDATA[Oral University Training Teaching Education DV Teaching System]]></title><link><![CDATA[https://shengli01.en.ec21.com/Oral_University_Training_Teaching_Education--10854577_10855997.html]]></link><description><![CDATA[control pad,easy control (Option)
Auxiliary light (red)
Install method(ceiling,wall,post and so on)
Item
Data
Optical zoom
1 ~ 20x
Digital zoom
2 ~ 16x
Diaphragm
F1.65 ~ F 3.0
Imaging sensor
SONY CMO]]></description><pubDate><![CDATA[20250313]]></pubDate></item>
<item>
<title><![CDATA[Riotouch Interactive Whiteboard for Sale From China]]></title><link><![CDATA[https://riotouchiwb.en.ec21.com/Riotouch_Interactive_Whiteboard_for_Sale--7340531_7380236.html]]></link><description><![CDATA[control: screen moveable, previous page, next page, select, rotate, zoom in/out, eraser (for single touch model).
2. Use finger or pen as a mouse: single click, double click and right click.
3. Two p]]></description><pubDate><![CDATA[20121206]]></pubDate></item>
<item>
<title><![CDATA[82 Inch Smart E Blackboard]]></title><link><![CDATA[https://yichuang6688.en.ec21.com/82_Inch_Smart_E_Blackboard--11489691_11489698.html]]></link><description><![CDATA[zooming in and out, and touching, it is easy and simple for you to handle the interactive digital display. 
* 10 points Infrared touch can make students and your colleagues work together on the scree]]></description><pubDate><![CDATA[20211210]]></pubDate></item>

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