PenPower ColorPen is a smart color picker pen. With an embedded sensor, it can recognize up to 65,000 colors and let you extract colors from your surroundings anytime anywhere. PenPower ColorPen is compatible with most iOS and Android devices. It provides free drawing and gaming Apps to facilitate the development of users’ creativity and imagination. It is capable of working 300 times per day for 6 months with just one AAA battery.