Firstsensor ewepụtala ihe ngwọta nha ọkwa mmiri IoT, nke ejiri ya na ihe mmetụta A01 ultrasonic anyị.
Ihe mmetụta nke mkpuchi manhole (nleba anya ọkwa mmiri mmiri nke ultrasonic) na-anabata teknụzụ ultrasonic, teknụzụ nkwukọrịta NB-IOT na teknụzụ nkwukọrịta 2.4G iji ghọta nleba anya n'ezie nke ọkwa mmiri nke olulu mmiri nyocha.