... of contact chip module encapsulation (including domestic low cost chips for choice) with materials of PC, PVC, PET, ABS ... etc.Chips Available:SLE4406, SLE4442, SLE4428, SLE4404, SLE4418, SLE4432, AT24C01A, ... AT24C04, AT24C16, AT24C64, AT88SC102, AT88SC1604, AT88SC1608 and other domestic chips compatible with above, but in good priceDimensions: ISO standard size ...