Input Voltage: DC 3 V to 6 V, Input Current: 2 A - 5 A Output Voltage: 400,000 V (Please Pay Attention to Safety) High Pressure Discharge Distance: 10 mm - 20 mm Output High Voltage Wire Length: 100 mm Input Power Cord Length: 100 mm (Red Line is Positive) The High Voltage Generator can be used for scientific experiments, electronic equipment, negative ion generation, and as a high voltage source in small-scale educational projects. Color: Black Material: Metal + Plastic Package Contents: 5 x High Voltage Transformers Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.