Tomshoo Convenient Carabiner Altimeter Barometer, Great Accessory for Camping and Hiking Adventures

Made of ABS material, solid and durable in use. Easy to read scale, accurately measure altitude and barometric pressure. Battery-free, maintenance-free, easy to use in wild. Comes with a carabiner, portable and convenient to carry. Material: ABS Altimeter Measuring : 0-5000 meter  Barometer Pressuring : -1040hPa  Temperature Measuring : -30℃-50℃ Storage Temperature: -30℃-65℃ Resolution Ratio: 20m Dial Diameter: 60mm / 2.4in  Item Size: 85 * 68 * 28mm / 3.3 * 2.7 * 1.1in  Package Size: 14.5 * 11 * 3.5cm / 5.7 * 4.3 * 1.4in  Package Weight: 180g / 6.3oz  Package List 1 * Altimeter  Note: small thermometer and compass are decorative and non-functional.