The Green Lion Pocket Calculator is perfect when it comes to doing easy math problem-solving quickly and precisely without using extensive resources. Designed for easy use, this pocket calculator, which is small in size, is controlled by a solar function that ensures you can use it for as long as possible without energy bars going off. It also encases in a perfectly adequate number view, ensuring that all the calculations are well-reviewed. It comes with an energy-saving feature; it turns off itself in the absence of human activities. This way, the life of your calculator is lengthened because it turns off on its own. Being portable type, the Green Lion Pocket Calculator proves convenient and efficient not just for studying and working stationary use but for people on the move who prefer less bulky or convenient ways of computing accurately. Specification Material: ABS Plastic Power Source: Solar And Battery Dual Power Battery Type: AAA×1 (not included) SKU: GNPOCAL10BL | GNPOCAL10PL Features Auto Power Off Solar Powered 10 Digits