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Item:guard patorl ibutton
1, It is plastic housing with a microchip inside containing a unique serial code which is then related to a check point |
2, Anti-destroyed & Waterproof, anti-corrode, fit for every environment |
3, Non-contact TI-ID card |
4, Long lifetime: >20 years |
5, High sensitive and Long inductive distance |
6, Wide temperature scope: -40+70 |
7, Not need power supply |
8, Original USA material, warranty: 5 years |
ibutton for guard tour system