Adesso CyberTablet 6400 6" X 4.5" Graphics Tablet with 2 Button Pen and Wireless Mouse 6" x 4" writing area, making it the ideal choice for professional computer artists Wireless 2 button pen with 512 levels of pressure sensitivity 3-button ergonomic wireless mouse with for right and left handed users High resolution, supports up to 3048 lines per inch No need for separate power adapter, completely USB powered