Model:ETC-974<br> Temperature measure range: NTC probe :-50~110Celsius(-58~230Fahrenheit)<br> PTC probe:-55~140Celsius(-67~284Fahrenheit)<br> Display resolution:1Celsius/0.1Celsius(with the swithch mode between integer and decimal)<br> Accuracy:NTC:0.5Celsius(-30Celsius~50Celsius);other1Celsius<br> PTC:1Celsius(-30Celsius~50Celsius); other2Celsius<br> Probe type :NTC(-50Celsius~120Celsius) ;PTC(-50Celsius~150Celsius)<br> Power supply:230VAC10% ;50/60Hz<br> Rated current of the relays(refrigeration ,defrost and fan):8A/220VAC<br> Use temperature:-5Celsius~55Celsius<br> Relative humidity:10%-90%RH (not condensing)<br> Storage temperature:-30Celsius~85Celsius<br> Input: 2 NTC sensor<br> Colour:Black+red<br> Material:plastic<br> Size:77x34.5x58mm<br> Sensor lenth:2M(include the probe)<br> Package Contents:<br> 1 x Temperature Controller<br> 1 x NTC probe<br> 1 x PTC probe<br> Only the above package content, other products are not included.<br> Note: Light shooting 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.