Features: This is a low voltage, precise centigrade temperature sensor. It provides a voltage output that is linearly proportional to the Celsius temperature. Great for electric product DIY enthusiasts. The circuit is simple and item is small in size. It is used to form a temperature measuring system, which has a simple circuit. A communication line can hang many digital thermometers like this, which is very convenient. Specifications: Support voltage: 3V - 5V Resolution: 9 - 12 digits Temperature measurement range: -40 ~ 125 degrees Celsius Length: 2cm/0.8in Quantity: 5pcs Weight: 3g(approx.) Package Includes: 5 x Temperature Sensors 1、This is a low voltage, precise centigrade temperature sensor. 2、It provides a voltage output that is linearly proportional to the Celsius temperature. 3、Great for electric product DIY enthusiasts. 4、The circuit is simple and item is small in size. 5、It is used to form a temperature measuring system, which has a simple circuit.