1. The product is compact and easy to carry. 2. Easy to use and practical application. 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 difference accuracy: 0.1℃ High temperature protection: 0-110℃ Resolution: -9.9-99.9 at 0.1℃ Other 1℃ Input voltage: DC12V Refresh rate: 0.5S Total 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 does not affect use Color: As shown Material: plastic Package Contents: 2 x W1209 12V temperature controller 2 x 1209 Case 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.