Large Work Surface: With a 13.8-by-8.6 inch work area, the Huion Inspiroy WH1409 is the largest graphics tablet in the Huion lines, no more restricted by space, ensures greater productivity 2.4 GHz Wireless Communication: Ensure you to have a flexible drawing experience and free you from the space limitation; The maximum sensing distance can range up to 10m 12 Programmable Express Keys: Time saving shortcuts, Can be used for both left and right hand; Comes with a 8192 pressure sensitive rechargeable pen, allows you to create freely on the paper-like drawing surface with the resolution of 5080LPI and response rate of 233RPS 2000mAh Build in Lithium-ion Battery: Charging time 5-7 hours; Lasts for up to 25 hours of being constantly on in wireless mode, save you from the awkwardness of charging the tablet over and over during long hour working OS Compatibility: Windows 7 or later, macOS 10.12 or later; 1 year warranty