Item Details:*DC 12V LED Digital Thermostat Temperature Controller*With waterproof sensor*Easy and reliable to use*100% brand new and high quality*Display Colors: Red and Blue (As Pictures Show)*Data Save: Yes*Temperature Control Range: -50~1200C*Resolution: 0.10C for -9.9~99.90C*Temperature Measurement Accuracy: 0.10C*Control Temperature Accuracy: 0.10C*Return Difference Precision: 0.10C*Refresh Frequency: 0.5S*Input Power: DC 12V*Measurement Input: NTC (10K 0.5%) *Output: 1 circuit relay output*Relay: 20A*Environment Temperature: -10~600C *Dimension: 79*43*26mm (Approx.)*Hole Dimension: 74*39mm (Approx.)*Line Length: 100cm (Approx.)Package Contents:1*Temperature ControllerNote: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.