Product Name: Koya Welding Welding 20 volts without batteries or charger from Total Country of origin: China Manufacturer: Total-Product Description: Provides electronic welding with lithium technology with an excellent welding experience and easy to use for all types of electronic projects and other equipment. It contains a double plug to provide additional safety and avoid electric leakage, which helps protect users from infections caused by excess heat or electrical harm. This product is characterized by a lightweight and comfortable design for use comes without a battery and charger technical specifications: voltage 20 volts energy 40 watts necessary to heat 5-3 minutes Dimensions (cm) 33 * 12 * 5 Model number TSILI22001