product informationProduct Name: 4 and 1 AltimeterProduct material: metal, ABS plasticProduct color: as shownProduct size: 8.5*6.8cmProduct weight: 180gHeight (0~5000m)Pressure (0~1040 hpa)Temperature (-30~50)Features:The altimeter features a high-quality metal hook, ABS plastic case, which is sturdy and can be used for a long time.The altimeter's clear dial lets you track pressure for the most accurate readings. Perfect for hiking, camping or backpacking.This 4-in-1 altimeter is convenient and practical, no need to install batteries, you can use it with confidence.The altimeter for mountaineering is detachable and easy to carry, just press the button on the back of the barometer to remove About this item High Quality MaterialThe altimeter adopts High Quality metal hook, ABS plastic shell, strong,durable, no discoloration, no bending, fine workmanship, can be used for a long time. Accurate ReadingsAltimeter's clear dial allows you to track pressure for the most accurate readings. Perfect for hiking, camping or backpacking. Our altimeter also comes with a metal carabiner on the bottom, you can hang it on your pants or backpack, not easy to lose and easy to carry. Four-in-one functionThis four-in-one altimeter has altimeter, barometer, compas and thermometer functions at the same time, which is convenient and practical. No need to install batteries, you can use it with confidence. Detachable Designaltimeter for hiking adopts detachable and design, easy to carry, just press the button on the back of the barometer to detach, after detachment, the altimeter or compass can be used alone. Precise MeasurementOur 4 in 1 altimeter can measure altitude (0~5000m) pressure (0~1040 hpa) and temperature (-30~50) at the same time, the weather station is not affected by any weather.