Yosoo High Voltage Transformer DC 3v-6v to 400kV Boost Step-up Power Module High-voltage Generator 400000V input voltage: DC 3 V to 6 V Input current: 2 A - 5 A High pressure type: the type of pulse current Output voltage: 400000 v(Please pay attention to safety) High pressure discharge distance between: 10 mm - 20 mm.To avoid burning, use the time limit for 1 minute.