... high accuracy Function1 Touchless type IC card, completely sealed for against water. 2 Dual-key encryption,one card with ... (Warning of insufficient water volume)Feature:--Multi-jet, easy for maintenance;--Magnetic drive reliable characteristic, long working life;--Vacuum ... 4BDN20202991957899G1BDN25253452258399G11/4B smart control water meter with wireless remote for measuring the volume of water flow