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): 10.5 digits at -30-50, 20.5 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.