An excellent and convenient device for controlling temperature. Widely used in scientific research metallurgy pertroleum chemical industry textile plastic food energy-saving fields and so on - Model: E5EN YR40K - Color: Light grey - 3-digit LED display - Working voltage: AC100~240V 50/60Hz - Control output : 3A / 220V - Accuracy: +/- 1 byte - Measuring range: 0~399 Celsius Degrees - Humidity: - Excellent and convenient multifunction device for controlling temperature between -10'C~55'C - Comes with sensor cable (40cm) and Chinese/English user manual