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: (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 not affect use Colour:As Shown Material:plastic Package Contents: 2 x W1209 12V temperature controller 2 x 1209 Housing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.