1The LED/LCD doublesided drawing tablet can write and copy, and can upload to any mobile phone, desktop computer, mobile computer or machine equipment that supports for Android / OS X / Microsoft and other software. 2The drawing tablet can be connected via OTG cable and transmit data to mobile phones, mobile computers, desktop computers and other equipment. 3The drawing tablet controls the work interface through touch buttons and plastic buttons. If you need to copy, you can select the three positions of the touch button to copy the desk light and adjust the brightness of the light by stepless dimming. 4The application of imported bluelight filtering materials and multilevel optical processing technology for painting digital tablets can make users like their eyes and feel free to paint on transparent glass lenses. 5If you need to write on the drawing tablet, you can write directly on it and clear the written content by pressing the plastic button. Item Type: Drawing Tablet Battery Type: Button battery(not included) Battery Model: CR2025 Nominal Capacity: 150MAh Function: Two-in-one multifunctional LED/LCD double-sided painting tablet, suitable for every amateur or professional painter. It does not need to install any software and apps, nor does it require any special plug power supply. It justneeds to connect the LED/LCD double-sided drawing tablet with an OTG cable and supports for Android 6.0 and above, for ios13.3 and above / Microsoft. Software mobile phones or mobile computers and desktop computers and machinery equipment, through the front side toggle switch to select the work interface that requires painting (LED) or writing (LCD), select mobile phones or mobile computers, desktop computers and machinery and equipment built-in painting, Pictures, PPT and other software can start the journey. Application scenarios: professional painting, animation professional copying, sketching, painting,tattoo tracking, craft items, fabric layout,photo, film, slider transmission,professional tracking and sketching in interior, architecture, layout and drawing,hospital X-ray observer,Data transmission for CNC machines or construction equipment Size: Approx. 17.2 x 25.7cm / 6.8 x 10.1in 15 x 21cm / 5.9 x 8.3in 1 x Drawing Tablet 1 x Pen 1 xData Line 1 xUser Manual