Cov Lus Qhia, Cov Lus Qhia thiab Cov Lus Qhia rau K PR M cov khoom.
K PR M LD50E, LD100E Laser Distance Meter Tus neeg siv phau ntawv
Tshawb nrhiav cov neeg siv phau ntawv qhia dav dav rau LD50E thiab LD100E Laser Distance Meters, muab cov lus qhia ntxaws thiab kev taw qhia rau kev siv cov cuab yeej siab heev no.