Lub kaw lus ultrasonic muaj cov tshuab hluav taws xob, hloov pauv, koob thiab daws. Nws hloov lub zog hluav taws xob rau hauv kev siv zog thiab rhuav tshem cov tub ntxhais siv lead ua, ua rau muaj txiaj ntsig kho tau zoo.
Tsim nyob rau hauv 1990s, peb tam sim no lub npe hu ua ib qho ntawm cov kev thov tshiab cov tuam ntxhab thiab cov muag khoom. Yog tias koj txaus siab rau cov ntawv thov tshiab, txais tos hu rau peb lub Hoobkas hauv Suav.