HP Pen MPP 1.51 2 exchangeable tips 2 Botton Up to 18M Battery life BlackMS Surface/ HP Laptop compatible 1 YR warranty Jot, sign, doodle or draw your finest points across with the HP MPP 1.51 Pen[1]. A Microsoft compatible pen with two customizable buttons, pen-point accuracy and long 18-month battery life[2]. This natural, true-to-life feel pen will practically make your point for you. Microsoft Compatible Draw, jot, or sign with a Microsoft compatible pen that works seamlessly with your HP laptop[1]. Custom Clicks Customize buttons to seamlessly switch between functions. Easy & Accurate Edit, draw, write and doodle with a true-to-life feel pen that has a precision tip and pen-point accuracy. Ink to Text Write naturally while your PC instantly converts your handwriting to text. Battery 1 x AAAA Battery life Up to 18 months (2 hours usage per day) Buttons 2 Pen Pressure Level 1024 levels Special features 2 exchangeable tips Color Black Minimum system requirements MPP 1.51 Compatibility Compatible with PCs with Microsoft Pen Protocol (MPP) supported devices. Available on select HP laptop models. Warranty One-year limited warranty. What's in the box HP MPP 1.51 Pen; 1 additional pen tip; AAAA battery; Quick Start guide; Warranty card Dimensions (W X D X H) 5.5 x 0.37 in Weight 0.04 lb Package Dimensions 7.48 x 3.62 x 1.06 in Package Weight 0.17 lb