I Button SMC1990A1-F5 Dimension: diameter 16.25MM,High 5.89mm Features: Waterproof, anti-shake, anti-rust.

            SMC1990A1-F5

The picture is buttons with handle. It can read only. Memory capacity is 64bit.With stainless steel shell, good sealing ability, waterproof and dustproof. It can use in tough industrial environment.

Dimension: diameter 16.25MM,High 5.89mm

Function: Anti-water, anti-shake, anti-rust, the shell is make by 304 stainless steel, never rust, the chip is made by new DS1990A1 Water, unique 64bit serial number of the world, full compatible with DS 1990A1-F5. 

 

 

 

           With Handles:

 

 

             Handles:

 

Sell RFID smart button DS1990