Features: 2.4inch touchable display screen, let you see the data and operate it more easily, give you a better using experience. This upgrade welding machine using a 4-layer circuit design, the control signal line goes to the inner layer, which can effectively avert the problem of pipes explosion caused by interference. The cover can effectively protect the motherboard from damage caused by static electricity or short-circuiting when it is in use. This product needs to set the battery capacity and magnification first, determine the power parameters through the basic parameter settings, and perform welding work in conjunction with the gear adjustment. Voltage alarm, trigger threshold, backlight time, shutdown time, welding waiting time can be set, with powerful functions. Specifications: Material: PC Color: black, red (optional) CPU: 32 bit ARM Cotex-M0 Alarm frequency: 96MHz Voltage: 7~16V Load current: 300A*8MOS Welding pen interface: 6.5mm Welding needle: 2mm Power supplys interface: XT60 USB interface: Type-c Firmware update method: copy to U disk ( A U disk will appear when connects to the computer) Package size: 110 * 55 * 20mm / 4.3 * 2.2 * 0.8in Package weight: 250g / 8.8ounce Packing list: 1 * Welding Machine 1 * Pair Welding Pen 1 * XT60 Cable