Features: Used in foot bath devices, water boiler, yogurt maker, chocolate extrusion, coffee maker. Also used for car and components preheating. 50W, 80W and 110W power to choose: all can be easily used to heat solids and gases. With a 15cm lead wire provided to you: high temperature resistant and easy installation. Constant temperature, surface insulation, safe to use and can be dry heated for a long time. Specification: Color: Shown as picture Heating Material: PTC Thermistor Shell Material: Aluminum Voltage: 220V Type1: Power: 50W Surface Dry Heating Temperature: Approx. 80℃ Type2: Power: 80W Surface Dry Heating Temperature: Approx. 150℃ Tpye3: Power: 110W Surface Dry Heating Temperature: Approx. 220℃ (Optional) Size (L x W x T): Approx. 77 x 62 x 6mm / 3.0 x 2.4 x 0.2inch Package Weight: Approx. 70g Package Included: 1 x PTC Heating Plate Note: Cannot be directly immersed in water, it can be insulated by shell to heat the internal liquid. Used in foot bath devices, water boiler, yogurt maker, chocolate extrusion, coffee maker. Also used for car and components preheating. 50W, 80W and 110W power to choose: all can be easily used to heat solids and gases. With a 15cm lead wire provided to you: high temperature resistant and easy installation. Constant temperature, surface insulation, safe to use and can be dry heated for a long time.