The PTC heater is 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. 220V, 125W, can be used to heat solids and gases. Having a 15cm lead wire provided to you, which is high 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. Voltage: 220V Temperature: 200 Maximum Power: 125W Note: No need to distinguish "Positive pole"and "negative pole. size:100x21x5mm Material:Aluminum + ceramic PTC colour:Silver Package Contents: 1 * PTC Air Heater Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.