The high-voltage module uses the principle Tesla coil is made of high-voltage pulse output voltage current・ small size ・ high efficiency・ simple external circuit ( just plug in the switch ・ the battery can be ) discharge intensity violent.<br /><br />Specification:<br />Voltage: Input DC3.6-6V・ output DC400kV - 600KV( Please pay attention to safety when used )<br />High Type : Pulse Current<br />High voltage bipolar discharge distance : 10mm-20mm<br />Output voltage lines Length: about 100mm<br />Input power cable length: about 10mm ( red is positive )<br />Dimensions :  24 * 63mm<br /><br />Input power:<br />3.7V Li-ion battery can be used 1 or 2 section ・ such as 18650 ・ idle cell phone batteries ( to remove the for protection board ・ Recommended capacity of 2000mAh or more ) or NiCd / NiMH battery pack ・ 4V or 6V Lead Acid batteries.<br />This module is a small production with high-pressure science inverter transformer / booster finished module・ the input terminal DC3V-7.2V voltage can get 200・000 volts for DC high voltage ( about 1-2cm arc ) at the output can be used as high school science experiments ・ electronic equipment・ negative ion generator・ high voltage source to use when making small science .<br /><br />Caution:<br />To avoid high-pressure high-voltage module load electricity use . <br />Must adjust the high voltage side suitable distance(before electricity・ battery voltage and capacity is proportional to the distance from high-voltage arcing use