Specification: Brand new Product Size: approx. 74 * 77.8mm Shell size: approx. 102 * 88 * 42.5mm Input voltage: DC 12V-30V Power requirements: less than 12V ≥ 5A, 15V and above ≥15A Working frequency: 30kHz-50kHz adaptive Secondary parameters: 5T + 5T 12V Input Voltage, 5A Current, About 10000V Output Voltage, 60W Maximum Power; 24V Input Voltage, 10A Current, About 20000V Output Voltage, 200W Maximum Power Feature: Jacob’s ladder high-tension Arc student experiment kit ZVS circuit. Used high-quality components. High reliability and powerful. The claw electrode is fixed on the base plate by the insulator, and the base plate is absolutely not scorched by the hot copper wire. Safe to use. Easy to use.