manholelevelmonitor

Manhole Level Monitor direct from Wanlin Fire Protection — 12-year factory experience, 4G Wireless Ultrasonic Liquid Level Transmitter (WL-LT100) certified CE/FCC/RoHS/REACH. Key specs: 4G Cat.1 wireless, 10s alert push, 0-15m range, ±0.5% accuracy, 0-15m range. MOQ 200pcs, OEM/ODM available.