Set of 4 $800 obo High Performance: This fireworks controller boasts a powerful 500W output and utilizes an advanced DMX control system, allowing for multiple connections to meet your needs. You can simultaneously connect signal lines for up to 6 machines, creating a dazzling light show that captivates the entire audience. Adjustable Height: The fireworks controller features an adjustable height range of 2-4 meters, offering three adjustable levels to achieve different lighting effects and create a splendidly romantic atmosphere. Additionally, you can effortlessly adjust the height using the wireless remote control. Convenient Operation: Equipped with a new funnel system and a large 180g capacity design, this controller enhances feeding efficiency while prolonging the user experience. The LED screen displays real-time work status, and the portable handle makes it easy to carry and enjoy its performance anytime, anywhere. High Quality: Constructed with an aluminum alloy casing, this fireworks controller is rust-resistant and corrosion-resistant, ensuring durability even with long-term use. It also features a radiator for efficient heat dissipation, ensuring prolonged operation of the controller while protecting internal components from any potential risks. Wide Application: The fireworks controller is suitable for a variety of celebratory events such as bars, parties, nightclubs, concerts, weddings, stages, entertainment programs, hotels, and opening/closing ceremonies. It creates dreamlike scenes and fosters a joyful atmosphere.