iButtons and plastic holders.
iButtons provided by Drexia are original products manufactured by Maxim Dallas and holders are of our own design and production, therefore we guarantee a high quality products.
The most popular key is DS1990A F5. However, on a special request we are able to provide you with other models such as DS1971 F5, DS1973, DS1982, DS1992L. If you are interested in different model, please just write us asking for a price and delivery time.