Features: Made of aluminum shell, eco-friendly, durable, and sturdy for long-term use. Constant temperature surface with insulation, safe to use and capable of prolonged dry heating. Available in three power options: 50W, 80W, and 110W, suitable for heating solids and gases. Equipped with a 15cm high-temperature-resistant lead wire for easy installation. Widely used in foot bath devices, water boilers, yogurt makers, chocolate extrusion, coffee makers, and for preheating automotive components. Specification: Condition: Color: As shown in picture Heating Material: PTC Thermistor Shell Material: Aluminum Voltage: 220V Type 1: Power: 50W, Surface Dry Heating Temperature: Approx. 80°C Type 2: Power: 80W, Surface Dry Heating Temperature: Approx. 150°C Type 3: Power: 110W, Surface Dry Heating Temperature: Approx. 220°C (Optional) Size (L x W x T): Approx. 77 x 62 x 6mm / 3.0 x 2.4 x 0.2 inch Package Weight: Approx. 70g Package Included: 1 x PTC Heating Plate Note: Not designed to be directly immersed in water. Can be used to heat internal liquids through shell insulation.