ITEM NAME:220V LED digital temperature controller thermostat sensor -40 ~ 99 ° C New B4J4 220V LED digital temperature controller thermostat sensor -40 ~ 99 ° C New B4J4 Temperature measurement, display; refrigeration, heating control;Cooling, heating mode selection Temperature set point and the temperature hysteresis;Compressor delay power protection Temperature setting upper and lower limits;Temperature correction T Temperature sensor failure alarm;Simple operation, suitable for seafood machines. Power supply voltage: 220V 110V 12V (optional) Total power consumption: Less than 3W Control temperature range: -40 Celsius~ + 99 Celsius Resolution: 1 Celsius Accuracy: +/- 1 Celsius Relay output capacity:10A(0.5HP)/220V AC Safty level of the front panel:IP54 Operation temperature:0-60 Celsius Relative humidity:20-85% Machine size: 76 x 66 x 34mm Package Included:1 x Temperature controller 1 x cable 1 x English Manual 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 +/- 1-3 cm.