Huion Rechargeable Stylus Rechargeable Pen for GT-185HD Tablet Monitor - GT-P80 Can ONLY be used on Huion GT-185HD Pen Display Tablet Monitor; Is NOT compatible with smaller Huion drawing tablets (H610 Pro, 580, 420 etc.) Light weight, recognises 2048 pressure levels, fully covered by very fine rubber, comfortable to hold in your hands Easy to use, has two definable buttons on it At the minimum of 800 hours of continuous use Technology: Electromagnetic Digitizer