This digital altimeter and barometer is a game-changer for anyone who loves to explore the great outdoors. It's waterproof and durable, making it the perfect accessory for any sports and outdoors activities. My analysis of this product showed that it accurately measures altitude and pressure, providing valuable data for hikers and climbers. The device is also compact, so you won`t even notice it in your backpack. The only con I can think of is that the instructions could be clearer, but that's aSee full review