DS18B20 1-WIRE Waterproof Digital Temperature Sensor Probe. Flexible, Better thermal conductivity. Works with Arduinos and other microcontrollers including Programmable Resolution

Flexibility resistance, Better thermal conductivity.
Length of Cable : 3 meters
Size of Stainless steel sheath : 6 x 30mm
Power supply range : 3.0V to 5.5V
Operating temperature range : -55°C to +125°C (-67°F to +257°F)
Storage temperature range : -55°C to +125°C (-67°F to +257°F)
Accuracy over the range of -10°C to +85°C : ±0.5°C.

Applications :  

Thermostatic Controls; Industrial Systems; Consumer Products; Thermometers; Any Thermally Sensitive System.

Note :  

If your probe's wires are Red, Yellow and Black, connect your probe as follows: Red (VCC), Yellow(DATA), Black(GND) 

Or if it comes with Red, Green and Yellow, connect your probe as follows: Red (VCC), Green(DATA), Yellow(GND)