Features: 1Made of Aluminum shell eco-friendly durable and study to use 2Constant temperature surface insulation safe to use and can be dry heated for a long time 33 types with big power for you to choose: 50W 80W and 110W. All can be easily used to heat solids and gases 4Having a 15cm lead wire provided to you which is high temperature resistant easy installation 5Widely used in foot bath devices water boiler yogurt maker chocolate extrusion coffee maker. Also used for car and components preheating Specification: Description: This Aluminum shell PTC heating plate has many advantages such as simple structure easy installation constant temperature safe to use applied to egg boiler hair straightener yogurt maker coffee maker etc. Features: Made of Aluminum shell eco-friendly durable and study to use. Constant temperature surface insulation safe to use and can be dry heated for a long time. 3 types with big power for you to choose: 50W 80W and 110W. All can be easily used to heat solids and gases. Having a15cmlead wire provided to you which ishigh temperature resistant easy installation. Widely used in foot bath devices water boiler yogurt maker chocolate extrusion coffee maker. Also used for car and components preheating. Specification: Condition: 100% New Brand 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.