The high-voltage module is made by using the for coil principle, and outputs high-voltage pulse high-voltage current, small volume, high efficiency, simple peripheral circuit (just need to connect the switch, the battery can be) the discharge intensity is .step up module high voltage generator input voltage: DC 3V to 6V. input current: 2A - 5A, output voltage: 400000v (please pay attention to safety).The input voltage of the arc generator is DC 3-6V and output dc 400000V high voltage, input wiring: red - positive; green - negative; output wiring: the other side same color cable.400kv boost step up module can be used as a scientific experiment, electronic equipment, negative ion generator, high voltage source in the production of small science and so on.400kv step up module high pressure discharge distance between: 10 mm - 20 mm, to avoid burning use the time limit Compatible with 1 minute.Colour:blackMaterial:ABSPackage Contents:7 * 400kv boost step up moduleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.