Features 1 For heating control 2 Internal compressor 3 Sensor:NTC 4 Automatic smart control 5 Mini-sieze and integrated intelligent controller    Technical Data 1 Range of temperature displayed:-45°C~120°C 2 Range of set temperature:-40°C~110°C    Accuracy:±1°C 3 Heater:NO.10A/250VAC 4 Power supply:150VAC or 230VAC  50/60Hz 5 Temperature of the operating environment:-10°C~60°C      Relative humidity:20%~90%(Non-condensing)   Size Dimension:77(L)x35(W)x60(D)mm Mounting hole dimension:71(L)x29(W)mm