Material: Acero inoxidable o de silicona suave (catenaria de la mano) Chip: DALLAS cifrado americano, incluyendo DS1990A-F5, totalmente compatible con TM1990A-F5, i1990A. media de fallo: el uso normal 1/100,000 times Manufacturer’s serial number: only global 64bit number System logic: 64bit password protection Storage: 8k bits RAM Card read: touch type Read and write features: can read write and encrypted R/W times: > 1.5 mil millones de veces …
modelo de chip: TM DS1990A-F5 Specification: 16.25×17.35mm Weight: 2.2g Material: Stainless steel Operating temperature: -40℃ ~ + 85 ℃
modelo de chip: TM DS1990A-F5 Shell material: ABS Shell size: 49×30mm Weight: 11.2 grams Environmental indicators: -30℃ ~ + 80 ℃
modelo de chip: TM DS1990A-F5 Specification: 3535 mm ×, customizable Material: cuero + stainless steel Weight: 12g Operating temperature: -40℃ ~ + 85 ℃