Switch the modes between cool and heat;Control temperature<br>setting the temperature setting value and the difference value;<br>Temperature calibration; Refrigerating control output delay protection; Alarm when temperature exceeds, temperature limit or when sensor error.Sensor length:1m(include the probe)<br><br>Temperature measuring range:-50~99<br>Resolution:0.1<br>Accuracy: 0.1(-50~70)<br>sensor error delay:1 minute<br>Power supply:110-220VAC10%,50/60Hz<br>Power consumption:Less than 3W<br>Sensor: sensor(1PC)<br>Relay contact capacity:Cool(10A/250VAC);Heat(10A/250VAC)<br>Ambient temperature:O~60<br>Storage temperature:-30-75<br>Relative humidity:20~85%(No condensate)<br>Different batches may have different contents on the back sticker.<br>Colour:As Shown<br>Material:plastic<br><br>Package Contents:<br>1X 110-220V Digital Temperature Controller<br>1X English manual<br><br>Only the above package content, other products are not included.<br>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.