Features: 1.Double-tube high-power, fast and efficient heat , and uniform heat conduction. 2.Generous and panel can heat more effectively and increase heat. 3.Wireless design, not bound by wires, easy to move, and small size, easy to carry. 4.Anti-scalding and non- handle design, comfortable grip, anti-fatigue, can work for a long time. 5.Intelligent and precise digital display, automatic temperature control, real-time temperature display, intuitive temperature display, easy temperature control. Specification: Name: Cordless Hot Melt Machine color: blue Material: plastic + metal Voltage: 18-21V Rated power: 260W Working temperature: 230-320 Pipe diameter: 32mm/25mm/20mm Package Contents: 1 x Cordless Hot Melt Machine 3 x welding head 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.