... Function1 Touchless type IC card, completely sealed for against water. 2 Dual-key encryption,one card ... type IC (RF) card, completely seal for against water.2,Dual-key encryption,one card ... of insufficient water volume)Feature:--Multi-jet, easy for maintenance;--Magnetic drive reliable characteristic, long working life ... excluding qt is ±5%.(2) in the upper zone from qt inclusive up to and including ...