Features: 1The module using the principle of tesla coil, output high voltage pulse, and the discharge intensity is violent. 2Support pulsed DC high voltage, input voltage is 3.6V-7.4V, output voltage is about 60KV. 3Universal ignition coil module, small size, high efficiency, input need not be divided into positive and negative poles. 4Can be used as high-voltage source for popular science experiments/electronic instruments/negative ion generators/science productions. 5It can be used in high-voltage production, electronic DIY, product development, etc., the discharge intensity is intense. Condition: Item Type: High Voltage Module Material: Plastic Model: HX-7.4VF Input Voltage: 3.6V-7.4V Input Current: 0.5A-1A Input Line Length: 26cm / 10.2in High Voltage Type: Pulse DC Type Output Voltage: About 60KV (Please pay attention to safety when using) Output Current: 0.5A-1A Output Line Length: 37cm / 14.6in High Voltage Pole Discharge Distance: 1.5-2cm / 0.59-0.79in Input Power: nickel-cadmium/nickel-metal hydride battery pack, 6V lead-acid battery, etc. (using 7.4V battery can achieve the best results) Product Size: Length: Approx. 71mm / 2.8in Diameter: Approx. 35mm / 1.4in Thickness: Approx. 25mm / 1.0in Package Included: 1 x High Voltage Module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.