Place of Origin | Guangdong, China | Brand Name | STM |
Model Number | ibutton tm1990, ibutton checkpoint | color | black |
Read/Write | read only | capacity | 64 bit |
Produce style | Factory manufacturer | material | stainless steel encapsulation+ABS base |
chip Type | TM1990A-F5 | feature | waterproof |
temperture | -40°C - 85°C | key words | ibutton checkpoint |
Office 507, SongDe international Plaza. Xiameilin 2str, Futian District, Shenzhen, China.