DS18B20 1-WIRE Digital Temperature Sensor. Works with Arduinos and other microcontrollers and 1-WIRE including Programmable Resolution

Manufacturer: Dallas
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)
Range: -10°C to +85°C 
Accuracy: ±0.5°C.
RoHS: Yes
Datasheet: Click Here
Output Type: Digital

Applications :  

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