... IC card, completely sealed for against water. 2 Dual-key encryption,one card with one code. 3 One card for ... (RF) card, completely seal for against water.2,Dual-key encryption,one card with one code.3,One card for ... TypeSizeLLengthL1 LengthB WidthH HeightdConnecting ThreadDN15152591657899G3/4BDN20202991957899G1BDN25253452258399G11/4B smart wireles remote 3.6V water meter for measuring the volume of ...