Small size, powerful function. long lasting. High temperature resistance, high insulation, aluminum shell Using high-grade aluminum , high temperature resistance, strong antistatic property. Model: BS45 Power: about 17-25W Temperature range: 320~480 Power supply: DC5V2A Charging voltage: USB-5V Battery: 2600mAh (removable battery) Heating time: 8-12 seconds Soldering iron tip resistance: 1.3-3ohm Output voltage: 3.2-4.5V adjustable Automatic shutdown: in standby mode, it will automatically shut down if there is no operation for 1 : 5 minutes Precautions: 1. This product requires 18650 power battery above 5C. It is forbidden to use with low rate capacity, such as: flashlight battery, power bank battery, disassembly battery. If you do not use substandard batteries as required, you will be responsible for any danger or damage to the product. 2. This product is a high-temperature heating product. When not in use, take out the battery or soldering iron tip while carrying it to avoid any loss caused by accidental touch. attention must be paid to it. Colour:blue :Metal type:Type K knife edge soldering iron tip Package Contents: 1 x Wireless Soldering Iron set 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.