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Material: ABS+Stainless steel
Size: Diameter 16.25*5.89mm
Thickness: 5.89mm
Chip avaible: RW1990 / TM1990A-F5
Function: Read and write (RW1990); Only read (TM1990)
Details of Electronic Ibutton Key Dallas Readable and Writable Ibutton Key Tags
| Material | ABS+Stainless steel |
| Size | Diameter 16.25mm*5.89mm |
| Thickness | 5.89mm |
| Chip avaible | RW1990 / TM1990A-F5 |
| Function | Read and write (RW1990); Only read (TM1990) |
| Crafts | Engrave number or texts |
| Read time | 350,000 times |
| Memory | 64 bit |
| Package | 100pcs/box, 5000pcs/carton, 25kg/carton |
| Feature of iButton Key Touch Memory | Can Be Read in Less Than 5ms |
| Operating Range: 2.8V to 6.0V, -40°C to +85°C | |
| Application | Access Control, Inventory Control, Tool Management, Work-in-Progress Tracking |
| Life Time | 10years |