cloudlevelmonitoring

4G Level Data Logger direct from Wanlin Fire Protection — 12-year factory experience, 4G Magnetic Float Liquid Level Switch (WL-LT600) certified CE/FCC/RoHS/Exd IICT6. Key specs: 4G/NB-IoT wireless, Multi-point detection, explosion-proof, auto pump control, 0-5m range. MOQ 200pcs, OEM/ODM available.