1. External temperature detector can detect temperature. 2. Set start and stop temperatures. 3. Cycle timing, start and stop time, timer switch. 4. Widely used in intelligent control of carbon heating, aquaculture, greenhouses, home life and other places. Standard: Temperature display range: -40℃ -120℃ Temperature display accuracy: 0.1℃ Accuracy: +/-1% Time accuracy: maximum 1 minute Working voltage: 230V AC Maximum working current: 16A Local power consumption: Less than 0.8W Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC230V Colour:Black Material:plastic Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 8 x Digital Temperature Controller 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.