Adopting PTC heating body as the heating element, this product generates no naked flame, and the heating efficiency is up to 95%; it adopts SCM for precise measurement and control of the temperature. With the soft-start function, it can prevent heavy current from impacting the external equipment and electricity grid during starting. Its inside is equipped with multiple kinds of fault detection devices, which can accurately identify various incidents and faults, and automatically adopt protective measures. In addition, it adopts the latest USB communication interface, which can realize remote device status inquiry, remote soft switching, remote heating power regulation, remote parameter adjustment and other functions. This product can meet a variety of heating requirements, widely used in a variety of small space warming, such as control cabinets, equipment boxes and small rooms etc. The design life of the product is 5 years. Ⅲ. Technical Parameters ◆Heating Power(max):: 400W(×2) ◆Rated Operating Voltage: 220V/50Hz ◆Temperature Control Range: 0~99℃ ◆Temperature Control Return Difference: 2℃ ◆Temperature Control Accuracy: 1℃ ◆Measured Temperature Range: -40~99℃ ◆Temperature Display Resolution: 1℃ ◆Operating Ambient Temperature:﹣30~45℃ ◆Fault Alarm: ◆Dimensions: Main machine 160×200×38mm ·Fan failure (Auxiliary machine): 140×155×38mm ·Temperature sensor failure ◆Net weight:1.3kg ·Heater failure ·Uncontrollable heating body