The iButton® is a computer chip enclosed in a 16mm thick stainless steel can. Because of this unique and durable container, up-to-date information can travel with a person or object anywhere they go. The steel iButton can be mounted virtually anywhere because it is rugged enough to withstand harsh environments, indoors or outdoors. It is small and portable enough to attach to a key fob, ring, watch, or other personal items, and be used daily for applications such as access control to buildings and computers, asset management, and various data logging tasks.

Product
	iButton (DS1990A-F5) The iButton contains 64bits of Read Only Memory (ROM) and is used in many different applications such as: Access Control as a Key Route Compliance as a Location Identifier Inspection and Maintenance for Equipment Identification	Price : RM13.00 (USD 3.83)

	Touch Probe The touch probe can help you easily build a 1-Wire interface directly to your embedded systems. The key features are: Fully aluminium Dual LED (green and red) RJ11 Socket details	Price : RM28.00 (USD 8.24)

	Touch Key The Touch Key is plastic angled fob that mounted with iButton (DS1990A-F5). It is for applications that require only momentary contact.	Price : RM16.00 (USD 4.71)