This aluminum housing PTC heating plate has many advantages, such as simple structure, constant temperature, easy to install, safe to use and can be applied to egg boiler, hair straightener, yogurt maker, coffee maker etc. Features: 1. The housing is made of aluminum, eco-friendly, sturdy and durable in use. 2. Surface insulation, safe to use and can be dry heated for a long time, high reliability. 3. Comes with a 15cm lead wire, which is high temperature resistant. It can be easily used to heat solids and gases. 4. Simple structure, easy to install and long service life over 3 years. 5. Widely used in water boiler, fan heater, yogurt maker, chocolate extrusion, coffee maker. Also used for car and electronic components preheating. Specification: Condition: 100% Brand New Material: Aluminum Housing Heating Material: PTC Thermistor Heating Mode: heat through the flow of air or direct contact with an object Rated Voltage: 12V (the bare line is connected, regardless of the positive and negative pole, the rated voltage can be) Surface Dry Heating Temperature: 70℃, 120℃, 220℃ (optional) ±10℃ Lead Material: High Temperature Resistance Wire Leading Wire Length: Approx. 15cm / 5.9 inch Heating Life: over 3 years Size: Approx. 6*2.1*0.5 cm / 2.4*0.8*0.2 inch Weight: Approx. 22g / 0.8 oz Package list: 1 * PTC Heating Plate Note: 1. The color of lead wire is random. 2. Cannot be directly immersed in water or liquid.