Specifications: Material: Plastic & Aluminum Working power: 20 W Working voltage: 100 to 220 V Working temperature: 356 to 392 Nozzle diameter: 0.070-0.078 inch Warm-up time: 3-5 minutes Cable length: 55 inch Size: 5.1 inch*4.3 inch*1 inch Color: Blue Function: repaire the dents on metal surface. Features: *Superior material High-quality metal materials are durable enough to use for several years. And Using the soft rubber on the bottom will not damage the car paint when removing the dent. *Economical and practical .