Features 1、Used for tesla coil principle, output high-voltage pulses, powerful discharge intensity. 2、Compact size, high efficiency, stable and professional performance, dependable to use. 3、The high-voltage module/generator made by the circuit composed of components, can be used as a high-voltage source for school scientific experiments, electronic devices, negative-ion generator and science small productions. 4、400KV high output voltage, which is practical and dependable to use. 5、Built to meet standard specification, strictly follow factory quality control. Specification Condition: 100% Brand New Item Type: High-Voltage Generator Material: Plastic Color: As picture shown Model: HX-GBPG Length: Approx. 4.2cm/1.7in Width: Approx. 3.8cm/1.5in Thickness: Approx. 1cm/0.4in Rated Voltage: 3-6V Rated Current: 1-3A Output Voltage: 400KV About Power Supply: can use single section 3.7V lipo battery or two series connection, such as 18650 battery, idle mobile phone battery (remove protection board, recommended capacity is above 2000mAh) or nickel-cadmium/nickel-hydrogen battery pack, 4V or 6V lead-acid Battery and so on. Package List 1 x High-Voltage Generator