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1、
length: up to 61cm;
2、
Resolution: 9600×9600; Precision: 0.05mm;
3、
Signal processing rate: 480 dot/s; Signal tracking rate: 8m/s;
4、
Rapid and real-time response; no writing delay or intermittent stroke；
5、
Press on board for 2 seconds to achieve right-click function;
6、
Precise and easy writing feel when the tilt angle is below 15°, smooth writing without any delay, no zigzag exists and no writing skips.
7、
The advanced anti-interference circuitry design can resist any electromagnetic interference and optical interference.
8、
A standard accessory for IQBoard ET V7 and IQBoard ET-D (100 inch or above.)
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Gently lift the battery cover to open it. 
