1、The module can output high voltage pulse current, small size and high efficiency. 2、This module is the finished module of transformer for small scientific production. 3、The input voltage is DC 3V-6V and will output DC high voltage. 4、It can be used as high voltage power source in high school science experiment, electronic instrument, anion generator. 5、 The peripheral circuit is simple, simply connect the switch and battery, and the discharge intensity is great. Features: The module can output high voltage pulse current, small size and high efficiency. This module is the finished module of transformer for small scientific production. The input voltage is DC 3V-6V and will output DC high voltage. It can be used as high voltage power source in high school science experiment, electronic instrument, anion generator. The peripheral circuit is simple, simply connect the switch and battery, and the discharge intensity is great. Specification: Input Voltage: 3V-6V DC Input Current: 2A-5A High Voltage Type: Pulse current Output Voltage: About 400KV Arc Discharge Distance: 10mm-20mm Output Cable Length: About 100mm / 3.9in Input Wire Length: About 100mm / 3.9in Power Source: One or two 3.7V li-ion batteries, such as 18650, phone battery(remove protection board, suggested capacity is above 2000mAh) or NiCd/Ni-MH battery pack, 4V or 6V lead-acid storage battery Weight: 37g / 1.3oz (approx.) Package list: 1 * High Voltage Generator Wiring: Red wire is power source positive. Output are 2 high temperature high voltage resistant silicone cables. Note: The product can not be use to ignite or light up a cigarette.