Water Supply Pressure Fluctuation Monitor direct from Wanlin Fire Protection — 12-year factory experience, WL-PG500 fully certified CE/FCC/RoHS. Key specs: NB-IoT wireless, 5s alert push via APP/SMS/Call, 5-year
Source high-quality water supply pressure fluctuation monitoring from Wanlin Fire Protection, China manufacturer. Global export, OEM/ODM services, competitive prices for wholesale buyers and distributors.