Features:
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<br />1. Environmentally friendly--No chalk, no dust, no marker, no odor.
<br />2. Great writing experience, just like writing on real paper.
<br />3. No back light, friendly to eyes.
<br />4. One-click Erase and it can be used in repeatedly and repeatedly. 
<br />5. Erase Lock Function prevents accidental erasure of written/drawn images.
<br />6. Ultra thin design makes it becomes portable and convenient. 
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<br />Specification:
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<br />Dimension: 10 inches 
<br />Viewing angle: over 90 degree
<br />Battery: Button cell battery (can be replaceable)
<br />Battery Model: CR2032 (3.0V/210mAh)
<br />Temperature: 10-40 Celsius degree
<br />(Indoor use only; please avoids prolonged exposure to sunlight.)
<br />Life Cycle: 10,000 tines erasing (no power consumption for writing and hold the content)
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<br />Kindly Remind: 
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<br />If the you cannot draw in this tablet in the first time after you use the eraser function, it is belongs to the normal phenomenon.