... after suddenly power off. No prism Ranging technologySlender laser beam precise rangingü Hi-Target ZTS-120/ ... )Weight (Incl. Battery &Tribrach)5.5kgEnvironmentalOperating temperature-20°C~50°CStorage temperature-40°C~'70°CDust &Water ... , handheld GPS, Rebound tester, laser vertical collimator, laser rangefinder, laser swinger, laser line marking, laser telescope rangefinder,etc. Now we are looking for ...