This product includes a thermostat, solid state module, screw type thermocouple and heat sink. The thermostat has 220V voltage, 45x45mm opening size, PID control, K/EPT100 input, SSR output, and 48x48x110mm size. The solid state module has DC/AC control, 3-32V DC input, -30 to +70 degrees Celsius ambient temperature, 50-60Hz working frequency, 3-35mADC control current, 45x27x58mm size, and 81g weight. The thermocouple has K type model, M6 inch screw specification, 1m lead length, 0-400 degrees Celsius measuring range, and U-shaped terminal. The heat sink has aluminum material, 50x50x82mm size, 48mm hole distance, and 61g weight.