Specifications Temperature measurement range 50 ℃ 110 ℃Accuracy 0 1 ℃Return error accuracy 0 1 ℃Refresh frequency 0 5SHigh temperature protection 0 110 ℃Input voltage DC12VMeasurement input NTC 10K0 5 waterproof sensorOutput 10 relays one circuitEnvironmental requirements 10 ℃ 60 ℃ humidity 20 85 Size 48 mm length x 29 mm width 32mmHole size 46 x26 5 mmFeatures 1 Made of high quality materials long lasting and practical 2 Small size simple application convenient installation efficient and stable performance and long working life 3 Simultaneously display the measured temperature red and set temperature blue which can be used for cooling heating control 4 Equipped with waterproof NTC 10K 0 5 temperature sensor probe programmable heating cooling mode delayed start high temperature alarm mode etc 5 Wide application range Electronic temperature controllers can be widely used in smart homes and industrial equipment suitable for household appliances automatic irrigation office machines sound systems cars aquariums fish tanks etc Package include 1x Temperature Controller1x Probe