<b>Ueasy Professional Aluminum Accurate Altimeter Compact Handheld Clinometer for Measuring Heights Slopes Angles Silver</b><br> <br> <b>Ueasy Altimeter Specifications:</b><br> Color: Silver<br> Dial diameter: 37.6mm<br> Material: Aluminium alloy<br> Shockproof: Yes <br> Waterproof: Yes <br> Carrying method: Hand-held<br> Product weight: 106g/ 0.23lb<br> Product size: 3.01 x 2.13 x 0.55inch<br> Features: Multi-functional, waterproof<br> Application: Height measurement <br> <br> <b>Package include:</b><br> 1 x Ueasy Altimeter <br> 1 x Nylon Bag<br> 1 x English Instruction<br> <br> <b>Notes:</b><br> 1. Please use in a horizontal state to ensure accurate readings.<br> 2. To avoid needle jump, please keep away from the magnetic objects when using, such as high voltage line, generator, audio, magnet and so on.<br> 3. When not use it, please pack into the storage bag, away from magnetic objects.<br>