Check the listing for details. SHANGFANG SF-731 Digital Temperature Controller. Condition: Brand New. Listed at 80.36 USD. SHANGFANG Temp/Controller SF-731 Features Temperature control Light control manual/automatic defrost by turning off Time/temp. seting to end defrost Re-start delay Celsius/Fahrenheit degrees Technical Data Range of temperature displayed :－45～45℃ (－40~120℉) Range of set temperature: －45～45℃ (－40~120℉) Accuracy:±1℃ (±2℉) Compressor: N.O. 30A/250VAC(one HP) Light: N.O. 30A/250VAC Dimension:77(Length)×35(Width)×30(Depth)mm Mounting hole dimension:71(Length)×29(Width)mm Parameters ParameterFunctionSet rangeDefaultE1Lower setpoint limit－45℃～Set temp.－35℃E2Higher setpoint limitSet temp.～45℃20℃E3Temp.Hysteresis1～10℃4℃E4Comp.start delay time0～10Min2MinE5Offset on room temp.－5～5℃0E6Offset on evap.Temp.－5～5℃0F1Max.Defrost duration1～60Min20MinF2Defrost interval time0～24Hr6HrF3Defrost termination temp.0～20℃8℃F4Display during defrost0=Normal display 1=Last value before defrost0C1Temperature unit0=℃ 1=℉0 Track Page Views With Auctiva's FREE Counter