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Ibuttons,Diameter 16.25MM, high 5.9MM,Rewriteable 1990 button key,65bit romid,stainless steel 304 packing,COB chipset,-40degree--+85degree work range.full compatible with ds1990A and TM1990A. used as key or ID guard point.
ME
Ibuttons,Diameter 16.25MM, high 5.9MM,Rewriteable 1990 button key,65bit romid,stainless steel 304 packing,COB chipset,-40degree--+85degree work range.full compatible with ds1990A and TM1990A. used as key or ID guard point.
ME
