leveldatacurvedispla

4-20Ma Level Transmitter direct from Wanlin Fire Protection — 12-year factory experience, WiFi Smart Water Tank Level Monitor (WL-LT700) certified CE/FCC/RoHS. Key specs: WiFi/Zigbee 3.0 wireless, APP real-time view, auto-fill/drain, leak alert integration, 0-10m range. MOQ 200pcs, OEM/ODM available.