Precision digital PID temperature controller ensures accurate temperature control from 50~300℃. Features timer, overheating alarm, temperature deviation correction, and more. HIGH-QUALITY MATERIALS: Durable stainless steel construction. Built-in hot air circulation system with high-temperature fan and air duct for improved temperature uniformity. CUSTOMIZABLE HEATING SPEED: Independent blower switch for flexible heating options. Choose between full power heating for fast results or half power for slower heating. ADJUSTABLE VENTILATION: Exhaust valve at the top of the unit. Cold air enters from the bottom and is released at the top. Includes brewing air feature for even temperature distribution. VERSATILE USE: Suitable for drying, high-temperature baking, and heat treatment in various industries including electronic components, agriculture, and machinery. Ideal for laboratory use.