This product is T12 iron DIY Kit, not , you need to prepare a power supply and the parts by yourself. If you are not good at DIY, or if you know little about Electricity, do not buy this kits. make the positive and negative anodes connection were all right testing. Wrong connection bound to a red-iron situation. if it's happened, check PCB stent and aviation plug carefully, conpared your connection with the datail steps and try to interchange the positive and negative wire,the machine will be OK. The colors of accessories may be different from batch to batch, which does not affect. Material: plastic+metal Color: as shown Package Contents: 1 x T12 iron DIY Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.