1.Original binding 2.Silicon Serial Number 3.Low-cost 4.Unique identity button 5.Small size

1.Smart button SMC1990-F4 is sealed with stainless steel and metal shell,sturdy&durable,rust-resistant and corrosion-resistant.

2.The SMC1990-F4 enhanced Silicon Serial Number is a low-cost, electronic registration number that provides an absolutely unique identity which can be detmined with a minimal electronic interface (typicallya single port pin of a microcontroller).

3.The SMC1990-F4 is mini DS1990A1-F5 consists of a factory-lasered,64-bit ROM that includes a unique 48-bit serial number,an 8-bit CRC,and an 8-bit Family Code(01h).

4.Data is transferred serially via the Smart-Wire protocol that requires only a single data lead and a ground return.

5.Power for reading and writing the device id derived from the data line itself with no need for an extrnal power source.

6.The quality is very good, it is durable and sturdy.

7.If you need more information of it ,please feel free to contact with me.

SMART BUTTON,IBUTTON,DS1990A compatibility