Usage Tips: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:black Material:ABS Package Contents: 7 x 400kv boost step up module Only 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.