The Peet Bros Model 80 Altimeter has a reliable Altimeter indicator that has been tested and confirmed to work. Made in Germany, this black altimeter features a display resolution of 825 x 1200 and provides measurements in both decimal and imperial units. With a compact size of 2.5 inches and a weight of 4.9 grams, this altimeter is perfect for hiking adventures. It also includes handy nylon carry case with a hook and latch closure and a metal belt clip.