Lizipai Pocket Altimeter, Clinometer, Battery-Free Altimeter, Professional Aluminum Accurate Altimeter, Compact Handheld Clinometer for Height & Slopes Angles Measuring, Silver

Lizipai Pocket & Battery-Free Altimeter|Clinometer Professional Aluminum Accurate Altimeter Features: - Height, slope angle measurement - Clear & accurate scale for easy & quicly reading - Thick han...