DS1990A-F5 TM ID Card iButton Key Tag with Colorful Handle

• Place of Origin:Guangdong, China, Guangdong, China (Mainland)
• Brand Name:Chipskey
• Material:304 Stainless Steel+ABS holder
• Voltage range:2.8V to 6.0V
• work temperture:-40°C to +85°C

Key Features
Can Be Read in Less Than 5ms
Operating Range: 2.8V to 6.0V, -40°C to +85°C
Common iButton Features
Unique 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts are Alike
Built-In Multidrop Controller for 1-Wire Net
Digital Identification by Momentary Contact
Data Can Be Accessed While Affixed to Object
Economically Communicates to Bus Master with a Single Digital Signal at 16.3kbps
Button Shape is Self-Aligning with Cup-Shaped Probes
Durable Stainless-Steel Case
Easily Affixed with Self-Stick Adhesive Backing, Latched by its Flange, or Locked with a Ring Pressed Onto its Rim

When the electric key is put to the key-reader, a signal is sent. The electric key reader can be connected to a 1-Wire device