DS1993L-F5+ iButton Hygrochron iButtons The T-Sense® has measurements of

The T-Sense® has measurements of 1 3/4 inch (length)

and the other  for grounding

Information on battery life can be found in the DS1922E-F5# data sheet

The DS9092L+ uses a connector that can be customized to fit a variety of devices and has a contact reader with an LED light

External Power Connector  RJ-45 Part of 1- Wire RJ-45 Standard Operating Temperature

DS1993L-F5+ iButton Hygrochron iButtons The T-Sense® has measurements ofThe DS1993L F5+ is a memory iButton that runs through a 1 Wire system to track progress, record logging types, and store calibration constants. The DS1993L F5+ also has an operating temperature of 40C +70C with 4096 bits of read write memory. This iButton is resistant to dirt, moisture, and shock, which makes it great for mounting not only onto fobs and ID badges. It can also be mounted to DS1402 cables and circuit boards. For more information on this