1.The product is compact and easy to carry. 2.Easy to use and hands-on operation. 3.Long service life and reliable quality. 4.Excellent quality, exquisite workmanship, and excellent materials. 5.Widely used and can be used in multiple scenarios. Temperature control range: -50 ℃ -110 ℃ Temperature measurement accuracy: 0.1 ℃ Temperature measurement input: NTC (10k 0.5%) waterproof thermometer Temperature measurement output: 1 circuit 10A relay Return error accuracy: 0.1 ℃ High temperature protection: 0-110 ℃ Resolution: -9.9-99.9 at 0.1 ℃ Other 1 ℃ Input voltage: DC12V Refresh frequency: 0.5S Overall power consumption: static current Less than 35MA, pull-in current Less than 65MA Display type: 0.28 inch red three digit Nixie tube Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:As Shown Material:plastic Package Contents: 1 x W1209 12V temperature controller 1 x 1209 Housing