• Booster module integrated design, add external control switch • Parallel high voltage capacitor, range up to 450V, super high power. • High-definition digital launch voltmeter, capacitor voltage real-time display. • Integrated design free welding, stable and reliable performance, finished product assembly and debugging shipment, simple operation. • Electromagnetic enthusiasts to cultivate their hobbies, improve the understanding of the circuit, exercise hands-on ability. • Do not touch the internal electronic components during power-on operation, and be careful of electric shock. • Prohibition of harm to living creatures, under 16 years old, please use under adult supervision. • New highly integrated electromagnetic accelerator, 3 coils accelerated propulsion, fast and precise launch. • Contains: main unit, battery, projectile, control buttons, battery charger • The capacitor can only be discharged after ammunition is loaded. Dry firing (discharging without ammunition) is prohibited，The system must not be powered off until the capacitor is fully discharged. Shutting down mid-process is strictly forbidden