Temperature measurement range: -40℃-99℃ Temperature control range: -40℃-85℃ Installation size: 71MMx29 Resolution: 0.1℃ Alarm mode: 1 buzzer alarm output Power consumption of the whole machine: Less than 5W Storage temperature: -25℃-75℃ Working environment temperature: -5℃-60℃ Working relative humidity: 10%-90% No condensation Two-way output sensor cable length: 2 meters Working voltage: 220VAC+10%, 50/60HZ Sensor (10K Q/25℃, B value 3435K) Relay contact output capacity: compressor 10A/220VAC, defrost 10A/220VAC, fan 10A/220VAC Indication error (measurement accuracy): ±1℃±0.5 digits at -30℃-50℃, ±2℃±0.5 digits at other times Color:Black Material:ABS Package Contents: 1 set * temperature switch 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.