Power supply: 115/230VAC+10% 50/60Hz Rated current of the relays:30A/250VAC Use temperalure: -5℃~55℃ Use Relative humidily: 10%~ 90% RH (not condensing) Storage temperature: -30℃~85℃ Mounting size: Length 71 - Width 29 (mm) Probe wire length: 2M (including the probe) Temperalure controlling range: NTe probe: -50...150℃ (-50...302℉) Display resolution: 1°C/0.1°C (With the switch mode between integer and decimal) Accuracy: : +0.5℃(-30℃-50℃), others, +1℃ Probe type: (-50℃~150℃) Please check as much as possible to make sure the item is what you need. Color: As Shown Material: plastic Package Contents: 1 * 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.