Features:1. With ergonomic pen and textured surface2. Easy and convenient to use and carry3. Provide you with a platform to show your talent4. It is an indeed useful item especially for office workers5. Compact size with delicate design、 it has good hand feeling6. Electromagnetic digitizer technology has been applied7. A wireless pen inside to make your operation more convenientlySpecifications:1. Technology: Electromagnetic Digitizer 2. Active Area: 4" x 2.23" 3. Hand Input Resolution: 4000 LPI 4. Report Rate: 200 RPS 5. Pressure Sensitivity: 2048 Levl 6. Reading Height: 15 mm 7. Supply Voltage: DC 5V 8. Input Current: ↔?60 mA 9. Power Consumption: 0.35 W 10. Interface Support: MINI USB 11. USB Cable Length: 150cm 12. Dimensions: (17.7 x 11.5 x 0.75)cm / (6.97 x 4.53 x 0.3)" (L x W x H) 13. Net Weight: 4.48 oz / 127g 14. Gross Weight: 345g / 12.17oz15. Color: BlackPackage Includes:1 x Huion 420 Signature Pad 1 x Wireless Pen(With 2 Programmable Buttons、 1 AAA Battery Included)1 x English User Manual1 x Driver CD