Features Versatile High Voltage Source: Ideal for students' science experiments and electronic instruments, providing a reliable power source for innovative projects Advanced Tesla Coil Design: Utilizes the principles of Tesla technology to generate high voltage pulses, delivering powerful discharges for effective applications Compact and Portable: Small size makes it easy to carry and store, ensuring convenient usage in various settings without compromising performance Features: 1、This module is a boost power module, which can be used as a high-voltage source for students' popular science experiments, electronic instruments, negative ion generators, and scientific production 2、The module is made using the principle of Tesla coil, output high voltage pulse, and the discharge is violent. 3、Small size, easy to carry and store, convenient to use and with good performance 4、Using high-quality materials, strong and , has a long service life 5、Strict quality control and quality assurance, high safety factor, can be used with peace of mind Specification: Item Type: Boost Step-Up Power Module Input Voltage: 3.V-4.8V Battery: 1 x 3.7V lithium battery (Without) Input Current: 1-3A High Voltage Type: Pulse DC type Output Voltage: About 400KV (high voltage pay attention to safety) Output Current: ≤0.5A High-Voltage 2-Electrode Discharge Distance: Approx. 0.5 ~ 1.5cm / 0.2 ~ 0.6in (no more than) Power-on Discharge Time: Within 10 seconds Package List: 1 x Boost Step-Up Power Module Package List 1 x Boost Step-Up Power Module