Feature: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3.The high-voltage module 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) discharge intensity violent. 4.Commonly used in 105 high-voltage generator, high voltage ignition, teaching experiments. 5.High pressure type: the type of pulse current. 6.High pressure discharge distance between: 10 mm - 20 mm. Specification: Material: Metal, Plastic Color: Black Size: 64 x 24 x 21 mm/2.52 x 0.94 x 0.83(L x W x H) Weight: 480g Input Voltage: DC3.6V-6V Input Current: 2A-5A Output Voltage: DC400KV-600KV (Please pay attention to safety when used) Input Line Length: about 100mm (red is positive) Output Line Length: about 90mm High voltage bipolar discharge distance: 10mm-20mm High type: Pulse Current Structure: high and low voltage integrated Uses: Commonly used in 105 high-voltage generator, high voltage ignition, teaching experiments. Package Include: 10 x 400KV Boost Step-up Power Module