DIY Stun Gun Module MC105 Pulse DC 3.6V-6V 400KV Boost Step Up Power Module High Voltage Generator Transformer High Voltage Converter 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 ) Specification of DC3V- 6V To 400KV Boost Step-up Module High-Voltage Generator Arc Ignition Coil: Voltage: Input DC3.6-6V, output DC400kV – 600KV( Please pay attention to safety when used ) High Type : Pulse Current High voltage bipolar discharge distance : 10mm-20mm Output voltage lines Length: about 100mm Input power cable length: about 10mm ( red is positive ) Dimensions : Φ24 * 63mm Package Include: 1 x DC3V- 6V To 400KV Boost Step-up Module High-Voltage Generator Arc Ignition Coil