Basic Info.Model NO.: RW1990Type: ContactMaterial: Stainless Steel,ABS PlasticHolder Colors: Red,Black,Green,Yellow,Blue.Customized AvailableSpecification: CEHS Code: 8542320000Function: IdentificationStructure: Memory CardProduct DescriptioniButton Card Applications/UsesAccess Control SystemInventory ControlTool ManagementWork-in-Progress Tracking  Our iButton Card Features:Sealed with stainless steel with keyRust-resistant and corrosion-resistantCan Be Read in Less Than 5msOperating Range: 2.8V to 6.0V, -40°C to +85°C Unique Factory-Lasered 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts are AlikeBuilt-In Multidrop Controller for 1-Wire NetDigital Identification by Momentary ContactData Can Be Accessed While Affixed to ObjectEconomically Communicates to Bus Master with a Single Digital Signal at 16.3kbpsButton Shape is Self-Aligning with Cup-Shaped ProbesDurable Stainless-Steel Case Engraved with Registration Number Withstands Harsh EnvironmentsEasily Affixed with Self-Stick Adhesive Backing, Latched by its Flange, or Locked with a Ring Pressed Onto its Rim Sample policy:We could offer 3-5pcs samples for free.    Packing Details:100pcs/box,5000pcs/ctn,25kg/ctn,volume 0.055CBM. Delivery Day:Sample: 1-3 working days;Order: 7-12 working days.